Subject: host range and California - PubAg Search Results

1. A blight disease of dill in California caused by Itersonilia perplexans

Author:: Koike, S.T.; Tjosvold, S.A.
Source:: Plant disease 2001 v.85 no.7 pp. 802
ISSN:: 0191-2917
Subject:: Anethum graveolens; Deuteromycotina; blight; leaves; mycelium; fungal spores; pathogenicity; pathotypes; host range; fungal diseases of plants; California
DOI:: 10.1094/PDIS.2001.85.7.802B
: http://dx.doi.org/10.1094/PDIS.2001.85.7.802B

2. A Microsatellite Analysis Used to Identify Global Pathways of Movement of Phytophthora cinnamomi and the Likely Sources of Wildland Infestations in California and Mexico

Author:: Socorro Serrano, María; Osmundson, Todd; Almaraz-Sánchez, Alejandra; Croucher, Peter J. P.; Swiecki, Tedmund; Alvarado-Rosales, Dionicio; Garbelotto, Matteo
Source:: Phytopathology 2019 v.109 no.9 pp. 1577-1593
ISSN:: 0031-949X
Subject:: Phytophthora cinnamomi; agricultural products; genetic markers; genetic variation; genotype; host range; hosts; invasive species; microsatellite repeats; plant pathogens; wildland; California; Mexico
Abstract:: ... The genetic structure of a sample of isolates of the oomycete plant pathogen Phytophthora cinnamomi from natural and agricultural outbreaks and the long-distance movement of individual genotypes were studied using four microsatellite markers to genotype 159 isolates of Californian, Mexican, and worldwide origins. Allelic profiles identified 75 multilocus genotypes. A STRUCTURE analysis placed them ...
DOI:: 10.1094/PHYTO-03-19-0102-R
: http://dx.doi.org/10.1094/PHYTO-03-19-0102-R

3. A new bipartite geminivirus (Begomovirus) causing leaf curl and crumpling in cucurbits in the Imperial Valley of California

Author:: Guzman, P.; Sudarshana, M.R.; Seo, Y.S.; Rojas, M.R.; Natwick, E.; Turini, T.; Mayberry, K.; Gilbertson, R.L.
Source:: Plant disease 2000 v.84 no.4 pp. 488
ISSN:: 0191-2917
Subject:: plant viruses; host range; biolistics; Cucumis melo; DNA; polymerase chain reaction; pathogenicity; Citrullus lanatus; nucleotide sequences; Geminiviridae; California
DOI:: 10.1094/PDIS.2000.84.4.488C
: http://dx.doi.org/10.1094/PDIS.2000.84.4.488C

4. A new leaf blotch disease of Sudangrass caused by Pantoea ananas and Pantoea stewartii

Author:: Azad, H.R.; Holmes, G.J.; Cooksey, D.A.
Source:: Plant disease 2000 v.84 no.9 pp. 973-979
ISSN:: 0191-2917
Subject:: host range; Zea mays; bacteria; air temperature; inoculum density; new host records; disease transmission; disease outbreaks; seed pathology; leaves; Sorghum bicolor subsp. drummondii; spatial variation; Avena sativa; synergism; mixed infection; new geographic records; disease diagnosis; California
DOI:: 10.1094/PDIS.2000.84.9.973
: http://dx.doi.org/10.1094/PDIS.2000.84.9.973

5. An Experimental Test of the Host-Plant Range of Nonrecombinant Strains of North American Xylella fastidiosa subsp. multiplex

Author:: Nunney, Leonard; Azad, Hamid; Stouthamer, Richard
Source:: Phytopathology 2019 v.109 no.2 pp. 294-300
ISSN:: 0031-949X
Subject:: Xylella fastidiosa; almonds; greenhouses; homologous recombination; host plants; host range; host specificity; mulberries; multilocus sequence typing; olives; peaches; plums; strains; trees; xylem; California; District of Columbia
Abstract:: ... Nonrecombinant strains of Xylella fastidiosa subsp. multiplex (those lacking evidence of significant intersubspecific homologous recombination) infect the xylem of a wide range of native and nonnative trees in North America. However, the degree to which different strains have a specialized host range remains poorly understood. We tested eight strains isolated from five different tree species (almo ...
DOI:: 10.1094/PHYTO-07-18-0252-FI
: https://dx.doi.org/10.1094/PHYTO-07-18-0252-FI

6. An Integrated Badnavirus Is Prevalent in Fig Germplasm

Author:: Laney, Alma G.; Hassan, Mohamed; Tzanetakis, Ioannis E.
Source:: Phytopathology 2012 v.102 no.12 pp. 1182-1189
ISSN:: 0031-949X
Subject:: Badnavirus; DNA viruses; etiological agents; figs; genome; germplasm; host range; hosts; meristems; phylogeny; population structure; seedlings; tissue culture; viral morphology; viruses; Arkansas; California; Florida; Michigan; Ohio; Oregon; South Carolina
Abstract:: ... Fig mosaic occurs worldwide and is the most common and important viral disease of fig. In the quest to identify the causal agent of the disease, several new viruses have been identified, including a new DNA virus, the subject of this communication. Phylogenetic analysis placed the virus, provisionally named Fig badnavirus-1 (FBV-1), in the genus Badnavirus, family Caulimoviridae. The experimental ...
DOI:: 10.1094/PHYTO-12-11-0351
: http://dx.doi.org/10.1094%2FPHYTO-12-11-0351

7. An Outbreak of a Necrosis Disease of Tomato in California in 2008 was Caused by a New Ilarvirus Species Related to Parietaria mottle virus

Author:: Batuman, O.; Miyao, G.; Kuo, Y.W.; Chen, L.F.; Davis, R.M.; Gilbertson, R.L.
Source:: Plant disease 2009 v.93 no.5 pp. 546
ISSN:: 0191-2917
Subject:: signs and symptoms (plants); new host records; Parietaria mottle virus; tomatoes; plant diseases and disorders; new species; new geographic records; sequence analysis; host range; host plants; disease outbreaks; pathogen identification; microbial genetics; disease diagnosis; Solanum lycopersicum var. lycopersicum; viral proteins; nucleotide sequences; RNA; disease course; disease incidence; California
DOI:: 10.1094/PDIS-93-5-0546C
: http://dx.doi.org/10.1094/PDIS-93-5-0546C

8. A PCR-based technique for identification of Fusicoccum sp. from pistachio and various other hosts in California

Author:: Ma, Z.; Michailides, T.J.
Source:: Plant disease 2002 v.86 no.5 pp. 515-520
ISSN:: 0191-2917
Subject:: host range; Pistacia vera; ribosomal DNA; host plants; polymerase chain reaction; fungal diseases of plants; California
Abstract:: ... Botryosphaeria panicle and shoot blight of pistachio, caused by Fusicoccum sp. is a destructive disease in California. In this study, a pair of group-specific polymerase chain reaction (PCR) primers BDI and BDII, was developed for identification of Fusicoccum sp. from pistachio and other hosts in California based on the sequences of the rDNA internal transcribed spacer (ITS) region. The primers am ...
DOI:: 10.1094/PDIS.2002.86.5.515
: http://dx.doi.org/10.1094/PDIS.2002.86.5.515

9. A re-examination of Ceratocystis canker in California almond orchards

Author:: Holland, L. A.; Nouri, M. T.; Lawrence, D. P.; Travadon, R.; Trouillas, F. P.
Source:: Acta horticulturae 2018 no.1219 pp. 311-318
ISSN:: 0567-7572
Subject:: Botryosphaeriaceae; Ceratocystis fimbriata; Phytophthora; almonds; bark; cambium; epidemiology; fungi; genes; genetic variation; harvesters; host range; inoculum; new species; pathogens; phylogeny; production technology; trees; tubulin; California
Abstract:: ... Ceratocystis canker of almond, caused by the fungal pathogen Ceratocystis fimbriata, has been found throughout California for over 50 years and is unique to California almond production systems. The disease appears to be ubiquitous in mechanically harvested almond orchards that repeatedly suffer bark injuries. However, factors that have promoted the widespread occurrence of this disease in almond ...
DOI:: 10.17660/ActaHortic.2018.1219.47
: http://dx.doi.org/10.17660/ActaHortic.2018.1219.47

10. Arthropod Vectors and Vector-Borne Bacterial Pathogens in Yosemite National Park

Author:: Fleer, Katryna A.; Foley, Patrick; Calder, Lee; Foley, Janet E.
Source:: Journal of medical entomology 2011 v.48 no.1 pp. 101–110
ISSN:: 0022-2585
Subject:: Anaplasma phagocytophilum; Borrelia burgdorferi; Microtus; Rickettsia; Siphonaptera; Spermophilus; Yersinia pestis; fever; host range; immunology; jumping; mice; national parks; pathogens; plague; polymerase chain reaction; prediction; seroprevalence; small mammals; ticks; California
Abstract:: ... Ticks, fleas, and vector-borne pathogens were surveyed in diverse small mammals in Yosemite National Park, California, from 2005 to 2007. A total of 450 unique captures of small mammals was collected during a 3-yr period and yielded 16 species of fleas and 10 species of ticks, including known vectors of Anaplasma phagocytophilum and Borrelia burgdorferi and plague. Serology was performed for A. ph ...
DOI:: 10.1603/ME10040
: http://dx.doi.org/10.1603/ME10040

11. A six locus phylogeny reveals high species diversity in Botryosphaeriaceae from California almond

Author:: Inderbitzin, Patrik; Bostock, Richard M.; Trouillas, Florent P.; Michailides, Themis J.
Source:: Mycologia 2010 v.102 no.6 pp. 1350-1368
ISSN:: 1557-2536
Subject:: Botryosphaeria dothidea; Diplodia; Fusicoccum; Macrophomina phaseolina; Neofusicoccum; almonds; anamorphs; branches; canopy; conidia; data collection; fungi; genes; glyceraldehyde-3-phosphate dehydrogenase; heat shock proteins; host range; hosts; inoculum; internal transcribed spacers; loci; monophyly; new species; pathogens; ribosomal RNA; species diversity; tubulin; vegetation; virulence; woody plants; California
Abstract:: ... Botryosphaeriaceae are important pathogens on a variety of woody hosts, including almond, a major crop in California. Almond is susceptible to Botryosphaeria dothidea that forms band cankers on almond trunks, and the same fungus was also isolated from cankers of the canopy. To study the diversity and host range of B. dothidea and allied species from almond we used 132 isolates from 36 plant hosts ...
DOI:: 10.3852/10-006
: https://dx.doi.org/10.3852/10-006

12. Assessment of risk to native Frankenia shrubs from an Asian leaf beetle, Diorhabda elongata deserticola (Coleoptera: Chrysomelidae), introduced for biological control of saltcedars (Tamarix spp.) in the western United States

Author:: Lewis, P.A.; DeLoach, C.J.; Herr, J.C.; Dudley, T.L.; Carruthers, R.I.
Source:: Biological control 2003 v.27 no.2 pp. 148
ISSN:: 1049-9644
Subject:: Diorhabda elongata; host range; host specificity; host plants; shrubs; endangered species; larval development; adult insects; oviposition; risk assessment; nontarget organisms; biological control agents; invasive species; Tamarix; weed control; biological control; Texas; California
Abstract:: ... Exotic saltcedars, Tamarix spp. (Tamaricaceae: Tamaricales) from Central Asia and the Mediterranean area, have invaded much of the western United States, where they degrade natural riparian areas, reduce water supplies, and interfere with agriculture and recreation. The major taxa are Tamarix ramosissima Ledeb., Tamarix chinensis Lour., and hybrids with these and Tamarix canariensis Willd. through ...
Handle:: 10113/12820

13. Association of the pitch canker pathogen Fusarium circinatum with grass hosts in commercial pine production areas of South Africa

Author:: Swett, Cassandra L; Porter, Bernice; Fourie, Gerda; Steenkamp, Emma T; Gordon, Thomas R; Wingfield, Michael J
Source:: Southern forests 2014 v.76 no.3 pp. 161-166
ISSN:: 2070-2639
Subject:: Briza maxima; DNA; Ehrharta; Fusarium circinatum; Pinus; Pseudotsuga menziesii; disease occurrence; endophytes; forests; fungi; grasses; host range; hosts; inoculum; nucleotide sequences; pathogens; plantations; sanitation; virulence; California; South Africa
Abstract:: ... The pitch canker pathogen, Fusarium circinatum , has major impacts on production in pine nurseries and plantations in South Africa. Thus far, efforts to reduce local spread have focused on rouging of infected pines and sanitation to eliminate local sources of inoculum. Although the host range of F. circinatum was thought to be limited to pines and Douglas-fir, recent studies in California indicate ...
DOI:: 10.2989/20702620.2014.916087
: http://dx.doi.org/10.2989/20702620.2014.916087

14. Bacterial blight of broccoli raab: a new disease caused by a pathovar of Pseudomonas syringae

Author:: Koike, S.T.; Henderson, D.M.; Azad, H.R.; Cooksey, D.A.; Litte, E.L.
Source:: Plant disease 1998 v.82 no.7 pp. 727-731
ISSN:: 0191-2917
Subject:: phytotoxins; inflorescences; plant diseases and disorders; blight; etiology; host range; necrosis; host plants; Pseudomonas syringae; pathogenicity; pathotypes; Brassica rapa subsp. oleifera; leaves; California
Abstract:: ... Bacterial blight is a new disease of broccoli raab or rappini (Brassica rapa subsp. rapa) that has developed on commercially grown crops in the Salinas Valley (Monterey County) in California. Symptoms consist of small, angular, water-soaked flecks on lower foliage that are visible from both adaxial and abaxial sides of the leaves. These flecks expand and become surrounded by bright yellow borders. ...
DOI:: 10.1094/PDIS.1998.82.7.727
: http://dx.doi.org/10.1094/PDIS.1998.82.7.727

15. Bioassay Conditions for Infection of Pinus radiata Seedlings with Phytophthora pinifolia Zoospores

Author:: Widmer, Timothy L.; Dodge, Stephen C.
Source:: Plant disease 2015 v.99 no.9 pp. 1204-1209
ISSN:: 0191-2917
Subject:: Phytophthora; Pinus radiata; agar; bioassays; carrots; dew; disease resistance; fungal diseases of plants; host range; hosts; infection; mycelium; plant pathogenic fungi; screening; seedlings; temperature; trees; zoospores; California; Chile
Abstract:: ... Phytophthora pinifolia is known to cause a devastating disease on Monterey pines in Chile. Although this pathogen is not yet present in the U.S., there is reason for concern. The main source of Monterey pine genetic material is found in California and there is potential for other important tree species to be hosts. This study described here was conducted to develop a method to produce zoospores an ...
Handle:: 10113/61424
DOI:: 10.1094/PDIS-12-14-1306-RE
: http://dx.doi.org/10.1094/PDIS-12-14-1306-RE

16. Biological characterization and complete genomic sequence of Apium virus Y infecting celery

Author:: Xu, Donglin; Liu, Hsing-Yeh; Koike, Steven T.; Li, Fan; Li, Ruhui
Source:: Virus research 2011 v.155 no.1 pp. 76-82
ISSN:: 0168-1702
Subject:: Amaranthaceae; Apiaceae; Apium virus Y; Celery mosaic virus; Myzus persicae; Solanaceae; amino acids; antibodies; antiserum; celery; chlorosis; growth retardation; host range; infection; nucleotide motifs; nucleotides; open reading frames; phylogeny; plant diseases and disorders; plant viruses; unassigned viruses; viruses; California
Abstract:: ... A celery isolate of Apium virus Y (ApVY-Ce) from diseased plants in a commercial field in California was characterized. The experimental host range of the virus included 13 plant species in the families Apiaceae, Chenopodiaceae and Solanaceae. Almost all infected plant species showed foliar chlorosis and distortion or severe stunting and systemic chlorosis. ApVY-Ce was transmitted to all 10 host s ...
DOI:: 10.1016/j.virusres.2010.09.002
: http://dx.doi.org/10.1016/j.virusres.2010.09.002

17. Biological constraints on host-range expansion by the wood-boring beetle Phoracantha semipunctata (Coleoptera: Cerambycidae)

Author:: Hanks, L.M.
Source:: Annals of the Entomological Society of America 1995 v.88 no.2 pp. 183-188
ISSN:: 0013-8746
Subject:: Phoracantha semipunctata; Eucalyptus; host range; host specificity; oviposition; larvae; mortality; alternative hosts; host preferences; biological development; boring insects; fruit trees; Rosaceae; body length; California
DOI:: 10.1093/aesa/88.2.183
: http://dx.doi.org/10.1093/aesa/88.2.183

18. Biology and Molecular Characterization of Cucurbit leaf crumple virus, an Emergent Cucurbit-Infecting Begomovirus in the Imperial Valley of California

Author:: Hagen, C.; Rojas, M.R.; Sudarshana, M.R.; Xoconostle-Cazares, B.; Natwick, E.T.; Turini, T.A.; Gilbertson, R.L.
Source:: Plant disease 2008 v.92 no.5 pp. 781-793
ISSN:: 0191-2917
Subject:: Begomovirus; emerging diseases; microbial genetics; disease surveillance; host plants; host range; Cucurbitaceae; nucleotide sequences; polymerase chain reaction; germplasm screening; disease resistance; cultivars; vegetable crops; fruit crops; phylogeny; molecular systematics; diagnostic techniques; California
Abstract:: ... Cucurbit leaf crumple virus (CuLCrV) is an emergent and potentially economically important bipartite begomovirus first identified in volunteer watermelon plants in the Imperial Valley of southern California in 1998. Field surveys indicated that CuLCrV has become established in the Imperial Valley; and field plot studies revealed that CuLCrV primarily infects cucurbits, including cantaloupe, squash ...
DOI:: 10.1094/PDIS-92-5-0781
: http://dx.doi.org/10.1094/PDIS-92-5-0781

19. Biology and parasitism rates of Pteromalus nr. myopitae (Hymenoptera: Pteromalidae), a newly discovered parasitoid of olive fruit fly Bactrocera oleae (Diptera: Tephritidae) in coastal California

Author:: Kapaun, Therese; Nadel, Hannah; Headrick, David; Vredevoe, Larisa
Source:: Biological control 2010 v.53 no.1 pp. 76-85
ISSN:: 1049-9644
Subject:: Olea europaea; olives; vegetable crops; Bactrocera oleae; insect pests; plant pests; Pteromalus; parasitoids; natural enemies; introduced species; host range; host preferences; instars; pupae; pupation; sexual reproduction; population density; geographical distribution; California
Abstract:: ... An undescribed wasp, Pteromalus nr. myopitae (Hymenoptera: Pteromalidae) opportunistically parasitizes the olive fruit fly Bactrocera oleae (Rossi) (Diptera: Tephritidae), an introduced pest of olives in California. The native or typical host of P. nr. myopitae is unknown. We demonstrate that P. nr. myopitae is a solitary, ectoparasitic, idiobiont parasitoid of the third instar host inside fruit, ...
DOI:: 10.1016/j.biocontrol.2009.11.002
: http://dx.doi.org/10.1016/j.biocontrol.2009.11.002

20. Black Root Rot Caused by Thielaviopsis basicola on Lettuce in California

Author:: Koike, S.T.
Source:: Plant disease 2008 v.92 no.9 pp. 1368
ISSN:: 0191-2917
Subject:: Thielaviopsis basicola; cultivars; romaine lettuce; host range; interspecific variation; signs and symptoms (plants); Lactuca sativa; head lettuce; host plants; disease incidence; disease outbreaks; pathogen identification; pathogenicity; field experimentation; root rot; new geographic records; disease diagnosis; California
DOI:: 10.1094/PDIS-92-9-1368A
: http://dx.doi.org/10.1094/PDIS-92-9-1368A

21. Causal role of Xylella fastidiosa in oleander leaf scorch disease

Author:: Purcell, A.H.; Saunders, S.R.; Hendson, M.; Grebus, M.E.; Henry, M.J.
Source:: Phytopathology 1999 v.89 no.1 pp. 53-58
ISSN:: 0031-949X
Subject:: plant pathogenic bacteria; disease vectors; Xylella fastidiosa; Prunus persica; Rubus; Vitis vinifera; leaves; Homalodisca lacerta; host range; Vinca minor; insect pests; pathogenicity; Homalodisca vitripennis; intergenic DNA; Olea europaea; Graphocephala atropunctata; Catharanthus roseus; Quercus lobata; Nerium oleander; California
Abstract:: ... A lethal leaf scorch disease of oleander (Nerium oleander) appeared in southern California in 1993. A bacterium, Xylella fastidiosa, was detected by culturing, enzyme-linked immunoassay, and polymerase chain reaction in most symptomatic plants but not in symptomless plants or negative controls. Inoculating oleanders mechanically with X. fastidiosa cultures from diseased oleanders caused oleander l ...
DOI:: 10.1094/PHYTO.1999.89.1.53
PubMed:: 18944803
: http://dx.doi.org/10.1094/PHYTO.1999.89.1.53

22. Characterization and control of garlic rust in California

Author:: Koike, S.T.; Smith, R.F.; Davis, R.M.; Nunez, J.J.; Voss, R.E.
Source:: Plant disease 2001 v.85 no.6 pp. 585-591
ISSN:: 0191-2917
Subject:: Allium porrum; rust diseases; host range; cultivars; tebuconazole; application timing; Allium cepa; host plants; Allium sativum; Puccinia allii; fungal spores; disease resistance; genetic variation; Allium schoenoprasum; Allium ampeloprasum; California
Abstract:: ... In 1998, a devastating outbreak of rust disease severely damaged the garlic crop in California, resulting in yield losses of 51% and an economic loss of 27% to the industry. The disease also occurred in 1999 and 2000, indicating that rust may have become an annual problem in some parts of the state. The presence of urediniospores, two-celled teliospores, and telial paraphyses indicated that the pa ...
DOI:: 10.1094/PDIS.2001.85.6.585
: http://dx.doi.org/10.1094/PDIS.2001.85.6.585

23. Characterization of distinct tombusviruses that cause diseases of lettuce and tomato in the western United States

Author:: Obermeier, C.; Sears, J.L.; Liu, H.Y.; Schlueter, K.O.; Ryder, E.J.; Duffus, J.E.; Koike, S.T.; Wisler, G.C.
Source:: Phytopathology 2001 v.91 no.8 pp. 797
ISSN:: 0031-949X
Subject:: Lactuca sativa; Solanum lycopersicum var. lycopersicum; Beta vulgaris; Solanum melongena; Tomato bushy stunt virus; Artichoke mottled crinkle virus; pathogenicity; host range; nucleotide sequences; strain differences; pathotypes; genomics; California; Arizona; Colorado; New Mexico
Abstract:: ... A soilborne disease of lettuce, associated with necrosis and dieback, has been found with increasing frequency in California and Arizona over the last 10 years. An isometric virus, serologically related to Tomato bushy stunt virus (TBSV), was consistently isolated from lettuce plants with these disease symptoms. Back-inoculation to healthy lettuce plants and subsequent reisolation of the virus fro ...
Handle:: 10113/29347
DOI:: 10.1094/PHYTO.2001.91.8.797
PubMed:: 18944038
: http://dx.doi.org/10.1094/PHYTO.2001.91.8.797

24. Characterization of powdery mildew caused by Leveillula taurica on calla lilly in California

Author:: Koike, S.T.; Beckman, P.
Source:: Plant disease 2002 v.86 no.2 pp. 187
ISSN:: 0191-2917
Subject:: Zantedeschia; Leveillula taurica; incidence; seasonal variation; disease prevalence; leaves; conidia; host range; fungal diseases of plants; California
DOI:: 10.1094/PDIS.2002.86.2.187C
: http://dx.doi.org/10.1094/PDIS.2002.86.2.187C

25. Characterization of White Rust of Perennial Pepperweed Caused by Albugo candida in California

Author:: Koike, S. T.; Sullivan, M. J.; Southwick, C.; Feng, C.; Correll, J. C.
Source:: Plant disease 2011 v.95 no.7 pp. 876
ISSN:: 0191-2917
Subject:: Albugo candida; Armoracia rusticana; Brassica juncea; Brassica rapa subsp. chinensis; Capsella bursa-pastoris; Chinese cabbage; DNA; DNA primers; Eruca vesicaria subsp. sativa; Lepidium latifolium; Raphanus sativus; Rorippa; Sinapis alba; Sisymbrium officinale; arugula; broccoli; cauliflower; crops; farms; fungal diseases of plants; genetic databases; greenhouses; growers; host range; hosts; internal transcribed spacers; irrigation canals; leaves; marshes; meadows; noxious weeds; pathogenicity; plant pathogenic fungi; polymerase chain reaction; races; relative humidity; seedlings; sporangia; spraying; zoospores; Bulgaria; California; Colorado; Portugal; Spain
Abstract:: ... In California, perennial pepperweed (Lepidium latifolium) is an introduced Brassicaceae plant that is invasive, highly competitive, and listed as a noxious weed that grows in areas such as marshes, meadows, roadsides, and irrigation ditches. From 2008 through 2010, perennial pepperweed growing near farms in Monterey and Santa Clara counties was infected with white rust. Symptoms were light green-t ...
DOI:: 10.1094/PDIS-03-11-0153
: http://dx.doi.org/10.1094/PDIS-03-11-0153

26. Chemical Management of Invasive Shot Hole Borer and Fusarium Dieback in California Sycamore (Platanus racemosa) in Southern California

Author:: Mayorquin, Joey S.; Carrillo, Joseph D.; Twizeyimana, Mathias; Peacock, Beth B.; Sugino, Kameron Y.; Na, Francis; Wang, Danny H.; Kabashima, John N.; Eskalen, Akif
Source:: Plant disease 2018 v.102 no.7 pp. 1307-1315
ISSN:: 0191-2917
Subject:: Euwallacea; Fusarium; Platanus racemosa; ambrosia beetles; azoxystrobin; bifenthrin; bioassays; carbendazim; dieback; fungi; hardwood; host range; integrated pest management; invasive species; landscapes; median effective concentration; mycelium; ornamental plants; propiconazole; pyraclostrobin; screening; symbionts; tebuconazole; trees; triadimefon; trifloxystrobin; California
Abstract:: ... Fusarium dieback (FD) is a new vascular disease of hardwood trees caused by Fusarium spp. and other associated fungal species which are vectored by two recently introduced and highly invasive species of ambrosia beetle (Euwallacea spp. nr. fornicatus). One of these ambrosia beetles is known as the polyphagous shot hole borer (PSHB) and the other as the Kuroshio shot hole borer (KSHB). Together wit ...
DOI:: 10.1094/PDIS-10-17-1569-RE
: http://dx.doi.org/10.1094/PDIS-10-17-1569-RE

27. Climate change and wildlife diseases: When does the host matter the most?

Author:: Harvell, Drew; Altizer, Sonia; Harrington, Laura; Weil, Ernesto
Source:: Ecology 2009 v.90 no.4 pp. 912-920
ISSN:: 0012-9658
Subject:: immunity; disease reservoirs; human diseases; coral reefs; host range; Lagopus lagopus scoticus; migratory behavior; host-pathogen relationships; vector-borne diseases; seabirds; wildlife diseases; disease transmission; climate change; water temperature; butterflies; bird diseases; ecosystems; malaria; Trichostrongylus tenuis; California
DOI:: 10.1890/08-0616.1
PubMed:: 19449685
: http://dx.doi.org/10.1890/08-0616.1

28. Comparison of Salmonella enterica subspecies enterica serovar Typhimurium isolates from dairy cattle and humans using in vitro assays of virulence

Author:: Adaska, J.M.; Silva, A.J.; Sischo, W.M.
Source:: Veterinary microbiology 2008 v.128 no.1-2 pp. 90-95
ISSN:: 0378-1135
Subject:: interspecific variation; host range; cattle diseases; human diseases; phenotype; Salmonella Typhimurium; bacterial adhesion; salmonellosis; genotype; host specificity; strains; virulence; pathogens; California
Abstract:: ... Salmonella enterica subspecies enterica serovar Typhimurium (Salmonella typhimurium) can infect and cause disease in a wide range of host species however there have been suggestions that this serovar may have genes involved with host range or specificity [Tsolis, R.M., Townsend, S.M., Miao, E.A., Miller, S.I., Ficht, T.A., Adams, L.G., Baumler, A.J., 1999. Identification of a putative S. enterica ...
DOI:: 10.1016/j.vetmic.2007.08.033
: http://dx.doi.org/10.1016/j.vetmic.2007.08.033

29. Competitive Exclusion of Aphytis lingnanensis by A. melinus: Potential Role of Host Size

Author:: Luck, Robert F.; Podoler, Haggai
Source:: Ecology 1985 v.66 no.3 pp. 904-913
ISSN:: 0012-9658
Subject:: Aonidiella aurantii; Aphytis lingnanensis; Aphytis melinus; Citrus; age structure; citrus fruits; competitive exclusion; daughters; fecundity; females; fruits; host range; leaves; parasitoids; seasonal variation; temperature; trees; wood; California
Abstract:: ... Aphytis melinus, an ectoparasitoid of California red scale, Aonidiella aurantii, replaced A. lingnanensis, another ectoparasitoid, in certain California citrus areas during the 1960's following the former's introduction in 1956—1957. We show that, although both species attack a similar range of host sizes, A. melinus utilizes a smaller threshold scale size for the production of daughters. Size dif ...
DOI:: 10.2307/1940553
: http://dx.doi.org/10.2307/1940553

30. Complete development on Elodea canadensis (Hydrocharitaceae) eliminates Hydrellia egeriae (Diptera, Ephydridae) as a candidate biological control agent of Egeria densa (Hydrocharitaceae) in the U.S.A.

Author:: Pratt, Paul D.; Herr, John C.; Carruthers, Raymond I.; Cabrera Walsh, Guillermo
Source:: Biocontrol science and technology 2019 v.29 no.4 pp. 405-409
ISSN:: 1360-0478
Subject:: Egeria densa; Elodea canadensis; Hydrellia; aquatic weeds; biological control agents; feeding preferences; host range; invasive species; oviposition; quarantine; California
Abstract:: ... The leaf-mining fly Hydrellia egeriae Rodrigues-Junior (Diptera: Ephydridae) was evaluated under quarantine conditions as a candidate biological control agent of the invasive aquatic weed Egeria densa Planchon (Hydrocharitaceae) in California, U.S.A. The objective of this study was to test the fly’s feeding preference for E. densa as compared to the North American native Elodea canadensis Michaux ...
DOI:: 10.1080/09583157.2018.1564245
: http://dx.doi.org/10.1080/09583157.2018.1564245

31. Curly top virus in California: review, current management practices and future directions

Author:: Rivara, C. J.
Source:: Acta horticulturae 2015 no.1081 pp. 187-190
ISSN:: 0567-7572
Subject:: Beet curly top virus; Circulifer tenellus; beans; breeding; climate; cost estimates; crop losses; crop production; crops; direct seeding; disease control; drying; grasses; hills; host range; hosts; industry; insecticides; insects; instars; irrigation; melons; monitoring; nymphs; overwintering; polymerase chain reaction; rain; risk; risk communication; row covers; spring; sugar beet; summer; tomatoes; valleys; vector control; viral load; viruses; winter; California
Abstract:: ... Beet curly top virus (BCTV) belongs to the family Geminiviridae, genus Curtovirus. The virus is vectored by the beet leafhopper Circulifer tenellus. With a wide host range BCTV overwinters in western foothills proximal to the extensive southern Central Valley growing region. It is well adapted to the wet winter/dry summer climate of central California. In the spring, beet leafhopper typically migr ...
DOI:: 10.17660/ActaHortic.2015.1081.22
: http://dx.doi.org/10.17660/ActaHortic.2015.1081.22

32. Description, biology, and karyotype of a new Psilochalcis Kieffer (Hymenoptera: Chalcididae) from indianmeal moth pupae (Lepidoptera: Pyralidae) associated with culled figs

Author:: Johnson, J.A.; Grissell, E.E.; Gokhman, V.E.; Valero, K.A.
Source:: Proceedings of the Entomological Society of Washington 2001 v.103 no.4 pp. 777
ISSN:: 0013-8797
Subject:: life cycle (organisms); Chalcididae; new species; anatomy and morphology; taxonomy; parasitoids; Plodia interpunctella; pupae; stored products; host range; Cadra figulilella; Ephestia elutella; Amyelois transitella; karyotyping; chromosome number; longevity; reproduction; fecundity; parasites; California
Abstract:: ... Psilochalcis brevialata Grissell and Johnson, new species, is described and illustrated based on specimens from a laboratory culture reared on Plodia interpunctella (Hübner) pupae. This species, isolated from laboratory-reared P. interpunctella placed at a culled fig warehouse in central California, is the first Psilochalcis associated with stored product pyralids. In the laboratory, P. brevialat ...
Handle:: 10113/14065

33. Distribution and known host records for Planchonia stentae (Hemiptera: Coccoidea: Asterolecaniidae)

Author:: Stumpf, C.; Lambdin, P.L.
Source:: Florida entomologist 2000 v.83 no.3 pp. 368-369
ISSN:: 0015-4040
Subject:: ornamental plants; host range; Asterolecaniidae; host plants; new host records; new geographic records; Colombia; Kenya; Florida; South Africa; Puerto Rico; California

34. Distribution and properties of geographically distinct isolates of sugar beet yellowing viruses

Author:: Stevens, M.; Patron, N.J.; Dolby, C.A.; Weekes, R.; Hallsworth, P.B.; Lemaire, O.; Smith, H.G.
Source:: Plant pathology 2005 v.54 no.2 pp. 100-107
ISSN:: 0032-0862
Subject:: Beet mild yellowing virus; Beet yellows virus; plant viruses; pathogen identification; coat proteins; genome; sequence analysis; consensus sequence; host range; geographical variation; sugar beet; Beta vulgaris subsp. vulgaris; sugar crops; Myzus persicae; insect vectors; reverse transcriptase polymerase chain reaction; nucleotide sequences; United Kingdom; France; Spain; California; Chile
DOI:: 10.1111/j.1365-3059.2005.01155.x
: http://dx.doi.org/10.1111/j.1365-3059.2005.01155.x

35. Downy Mildew Caused by Bremia lactucae on Strawflower (Helichrysum bracteatum) in California

Author:: Koike, S.T.; Ochoa, O.E.
Source:: Plant disease 2007 v.91 no.3 pp. 326
ISSN:: 0191-2917
Subject:: Xerochrysum bracteatum; Bremia lactucae; plant pathogenic fungi; downy mildew; signs and symptoms (plants); pathogenicity; Lactuca sativa; lettuce; host range; new host records; pathogen identification; California
DOI:: 10.1094/PDIS-91-3-0326A
: http://dx.doi.org/10.1094/PDIS-91-3-0326A

36. Dual-pathogen etiology of avian trichomonosis in a declining band-tailed pigeon population

Author:: Girard, Yvette A.; Rogers, Krysta H.; Woods, Leslie W.; Chouicha, Nadira; Miller, Woutrina A.; Johnson, Christine K.
Source:: Infection, genetics, and evolution 2014 v.24 pp. 146-156
ISSN:: 1567-1348
Subject:: Passeriformes; Trichomonas; Tritrichomonas; adults; at-risk population; birds of prey; coasts; digestive tract; disease outbreaks; doves; etiology; game birds; genetic background; host range; indigenous species; migratory behavior; mortality; new species; parasites; pigeons; population dynamics; risk; trichomoniasis; California
Abstract:: ... The Pacific Coast band-tailed pigeon (Patagioenas fasciata monilis) is a migratory game bird of North America that is at risk for population decline. Epidemics of avian trichomonosis caused by upper digestive tract infection with Trichomonas spp. protozoa in these and other doves and pigeons of the United States are sporadic, but can involve tens of thousands of birds in a single event. Herein, we ...
DOI:: 10.1016/j.meegid.2014.03.002
: https://dx.doi.org/10.1016/j.meegid.2014.03.002

37. Ecological and epidemiological factors affecting carrot motley dwarf development in carrots grown in the Salina Valley, of California

Author:: Watson, M.T.; Falk, B.W.
Source:: Plant disease 1994 v.78 no.5 pp. 477-481
ISSN:: 0191-2917
Subject:: cultivars; host range; Cavariella aegopodii; disease vectors; overwintering; Daucus carota; viruses; Carrot red leaf virus; disease resistance; alternative hosts; Carrot mottle virus; California
DOI:: 10.1094/PD-78-0477
: http://dx.doi.org/10.1094/PD-78-0477

38. Ecology of coliphages in southern California coastal waters

Author:: Reyes, V.C.; Jiang, S.C.
Source:: Journal of applied microbiology 2010 v.109 no.2 pp. 431-440
ISSN:: 1364-5072
Subject:: Escherichia coli; United States Environmental Protection Agency; aquatic environment; coastal water; coliphages; freshwater; host range; hosts; pollution; rain; salinity; seasonal variation; sewage; water temperature; watersheds; California
Abstract:: ... This study aims to investigate the ecology of coliphages, an important microbial pollution indicator. Specifically, our experiments address (i) the ability of environmental Escherichia coli (E. coli) to serve as hosts for coliphage replication, and (ii) the temporal and spatial distribution of coliphages in coastal waters. Water samples from three locations in California's Newport Bay watershed we ...
DOI:: 10.1111/j.1365-2672.2010.04676.x
: http://dx.doi.org/10.1111/j.1365-2672.2010.04676.x

39. Epidemiology and control of emerging criniviruses in bean

Author:: Ruiz Garcia, Leticia; Janssen, Dirk
Source:: Virus research 2020 v.280 pp. 197902
ISSN:: 0168-1702
Subject:: Bean yellow disorder virus; Bemisia tabaci; Cucurbit yellow stunting disorder virus; Lens culinaris; Lettuce chlorosis virus; Phaseolus vulgaris; Pisum sativum subsp. sativum var. macrocarpum; RNA; Tomato chlorosis virus; Vicia faba; autumn; chlorosis; crops; faba beans; fruit yield; genome; green beans; greenhouses; host range; integrated pest management; leaves; lentils; lettuce; natural enemies; open reading frames; peas; physical control; plant diseases and disorders; plant viruses; secondary transmission; sugar beet; viruses; California; Spain
Abstract:: ... During the last two decades, new criniviruses emerged in green bean crops in the south-east of Spain. Bean yellow disorder virus (BnYDV) was first detected in 2003 and caused major economic damage in crops grown in greenhouses. It was characterized as the first crinivirus to infect a member species of the Leguminosae family. Symptoms induced during BnYDV infection include interveinal chlorosis and ...
DOI:: 10.1016/j.virusres.2020.197902
: https://dx.doi.org/10.1016/j.virusres.2020.197902

40. Epidemiology of Diseases Caused by Xylella fastidiosa in California: Evaluation of Alfalfa as a Source of Vectors and Inocula

Author:: Sisterson, Mark S.; Thammiraju, Shyamala R.; Lynn-Patterson, Kris; Groves, Russell L.; Daane, Kent M.
Source:: Plant disease 2010 v.94 no.7 pp. 827
ISSN:: 0191-2917
Subject:: Vitis vinifera; grapes; fruit crops; Prunus dulcis; almonds; nut crops; Medicago sativa; alfalfa; forage crops; Xylella fastidiosa; plant pathogenic bacteria; bacterial diseases of plants; disease reservoirs; host plants; host range; insect vectors; disease transmission; geographic information systems; seasonal variation; overwintering; sampling; disease incidence; weeds; California
Abstract:: ... Pierce's disease and almond leaf scorch disease have been chronic problems for California grape and almond growers, respectively. Both diseases are caused by the xylem-limited, bacterial pathogen Xylella fastidiosa, which is transmitted by xylem-feeding insects. We evaluated the potential for alfalfa to serve as a source of vectors and inocula in California. Analysis of Geographic Information Syst ...
Handle:: 10113/43479
DOI:: 10.1094/PDIS-94-7-0827
: http://dx.doi.org/10.1094/PDIS-94-7-0827

41. Establishment of an emerging generalist pathogen in redwood forest communities

Author:: Maloney, P.E.; Lynch, S.C.; Kane, S.F.; Jensen, C.E.; Rizzo, D.M.
Source:: Journal of ecology 2005 v.93 no.5 pp. 899-905
ISSN:: 0022-0477
Subject:: disease reservoirs; Phytophthora ramorum; host range; forest trees; fungal diseases of plants; host plants; botanical composition; tree diseases; disease incidence; Sequoia sempervirens; plant pathogenic fungi; Umbellularia californica; Notholithocarpus densiflorus; tree mortality; understory; California
Abstract:: ... 1 Phytophthora ramorum (causal agent of sudden oak death) is an emerging generalist pathogen in coastal forests of California and Oregon, USA, that causes lethal stem infections on oaks (Quercus spp.) and tanoak (Lithocarpus densiflorus) as well as nonlethal foliar infections on a broad range of trees and shrubs. 2 We studied P. ramorum over its known range in coastal redwood forests to determine ...
DOI:: 10.1111/j.1365-2745.2005.01031.x
: http://dx.doi.org/10.1111/j.1365-2745.2005.01031.x

42. Etiology and host range of a Closterovirus associated with plum bark necrosis-stem pitting disease

Author:: Marini, D.B.; Zhang, Y.P.; Uyemoto, J.K.; Rowhani, A.
Source:: Plant disease 2002 v.86 no.4 pp. 415
ISSN:: 0191-2917
Subject:: disease diagnosis; Prunus salicina; necrosis; stems; branches; shoots; rootstocks; Prunus persica; Prunus dulcis; Prunus avium; Prunus domestica; Prunus serrulata; RNA; polymerase chain reaction; nucleotide sequences; host range; pathogenicity; tree trunk; biological resistance; California
Abstract:: ... Diseased plum (Prunus salicina) cv. Black Beaut trees developed stem gumming, severe bark necrosis, and stem pitting symptoms on the woody cylinder of the main trunk and scaffold branches. The sucker shoots of the peach (Prunus persica) cv. Nemaguard understocks exhibited oak-leaf patterns, but lacked the wood or bark markings. Other susceptible hosts included almond (Prunus dulcis), sweet (Prunus ...
Handle:: 10113/11402
DOI:: 10.1094/PDIS.2002.86.4.415
: http://dx.doi.org/10.1094/PDIS.2002.86.4.415

43. Eutypa dieback of sweet cherry and occurrence of Eutypa lata perithecia in the Central Valley of California

Author:: Munkvold, G.P.; Marois, J.J.
Source:: Plant disease 1994 v.78 no.2 pp. 200-207
ISSN:: 0191-2917
Subject:: Prunus avium; host range; epidemiology; necrosis; developmental stages; ascospores; Vitis; xylem; Eutypa; teleomorphs; dieback; strains; Prunus armeniaca; California
DOI:: 10.1094/PD-78-0200
: http://dx.doi.org/10.1094/PD-78-0200

44. Evaluation of Beauveria bassiana for Management of Citrus Thrips (Thysanoptera: Thripidae) in California Blueberries

Author:: Zahn, Deane K.; Haviland, David R.; Stanghellini, M. E.; Morse, Joseph G.
Source:: Journal of economic entomology 2013 v.106 no.5 pp. 1986-1995
ISSN:: 0022-0493
Subject:: Beauveria bassiana; Citrus; Scirtothrips citri; blueberries; entomopathogenic fungi; host range; insects; mangoes; microirrigation; organic production; pesticides; pests; resistance management; spores; sprinklers; California
Abstract:: ... Citrus thrips, Scirtothrips citri (Moulton), is a plant-feeding pest most widely recognized for causing damage to citrus and mango fruits. This insect has broadened its host range to become a significant pest of commercial blueberries grown in the San Joaquin Valley of California. We evaluated Beauveria bassiana (Balsamo) for control of citrus thrips in blueberries grown under two watering regimes ...

45. Evaluation of Fopius arisanus as a biological control agent for the olive fruit fly in California

Author:: Sime, K.R.; Daane, K.M.; Wang, X.G.; Johnson, M.W.; Messing, R.H.
Source:: Agricultural and forest entomology 2008 v.10 no.4 pp. 423-431
ISSN:: 1461-9555
Subject:: Bactrocera oleae; Diachasmimorpha; Fopius arisanus; Psyttalia; biological control; biological control agents; eggs; fecundity; females; galls; host range; inflorescences; mortality; parasitoids; quarantine; rearing; risk; weeds; California
Abstract:: ... 1 The egg-prepupal parasitoid Fopius arisanus (Hymenoptera: Braconidae) was evaluated in quarantine facilities as a potential biological control agent for the olive fruit fly Bactrocera oleae (Diptera: Tephritidae) in California, U.S.A. 2 Nontarget testing of two weed biological control agents confirmed that F. arisanus will not attack Tephritidae that feed in inflorescences or galls. It may, howe ...
DOI:: 10.1111/j.1461-9563.2008.00401.x
: http://dx.doi.org/10.1111/j.1461-9563.2008.00401.x

46. Evaluation of trunk-injected emamectin benzoate as a potential management strategy for Kuroshio shot hole borer in avocado trees

Author:: Byrne, Frank J.; Almanzor, Janine; Tellez, Ivan; Eskalen, Akif; Grosman, Donald M.; Morse, Joseph G.
Source:: Crop protection 2020 v.132 pp. 105136
ISSN:: 0261-2194
Subject:: Coleoptera; Fusarium; Persea americana; ambrosia beetles; artificial diets; avocados; bioassays; dieback; dose response; field experimentation; fruit trees; groves; host range; hosts; indigenous species; insecticides; ornamental plants; plant pathogens; urban areas; vascular tissues; wildland; wood; California
Abstract:: ... The polyphagous shot hole borer (PSHB) and the Kuroshio shot hole borer (KSHB) are newly invasive ambrosia beetles in California. They are vectors of the plant pathogen Fusarium euwallaceae (S. Freeman, Z. Mendel, T. Aoki, K. O’ Donnell), the causal agent of Fusarium dieback in a broad host range that includes commercial avocados, landscape trees, and native tree species in urban and wildland envi ...
DOI:: 10.1016/j.cropro.2020.105136
: https://dx.doi.org/10.1016/j.cropro.2020.105136

47. First occurrence of white rust of Arugula, caused by Albugo candida

Author:: Scheck, H.J.; Koike, S.T.
Source:: Plant disease 1999 v.83 no.9 pp. 877
ISSN:: 0191-2917
Subject:: rust diseases; host range; Brassica rapa subsp. pekinensis; Eruca vesicaria; assays; host plants; Brassica juncea; new geographic records; pathogenicity; Albugo candida; fungal spores; Brassica oleracea var. botrytis; Brassica rapa subsp. oleifera; leaves; California
DOI:: 10.1094/PDIS.1999.83.9.877D
: http://dx.doi.org/10.1094/PDIS.1999.83.9.877D

48. First Report of Apium virus Y on Cilantro, Celery, and Parsley in California

Author:: Tian, T.; Liu, H.Y.; Koike, S.T.
Source:: Plant disease 2008 v.92 no.8 pp. 1254
ISSN:: 0191-2917
Subject:: plant viruses; Coriandrum sativum; signs and symptoms (plants); Petroselinum crispum; plant diseases and disorders; celery; vegetable crops; new geographic records; parsley; Apium graveolens; host range; cilantro; amino acid sequences; pathogen identification; microbial genetics; disease diagnosis; reverse transcriptase polymerase chain reaction; Potyvirus; nucleotide sequences; California
DOI:: 10.1094/PDIS-92-8-1254B
: http://dx.doi.org/10.1094/PDIS-92-8-1254B

49. First Report of a Rust Disease Caused by Uromyces sp. on Suaeda californica in California

Author:: Bruckart, W. L.; Thomas, J. L.; Frederick, R. D.; Aime, M. C.; Abbasi, M.
Source:: Plant disease 2019 v.103 no.7 pp. 1784
ISSN:: 0191-2917
Subject:: DNA; Salsola tragus; Suaeda; U.S. Fish and Wildlife Service; Uromyces; biological control; biological control agents; confidence interval; dew; disease incidence; estuaries; greenhouses; halophytes; host range; indigenous species; leaves; plant pathogenic fungi; risk; rust diseases; stems; teliospores; urediniospores; weeds; California
Abstract:: ... Suaeda californica (Amaranthaceae, California seablite) is a halophyte that grows at the tide line of Morro Bay and parts of the San Francisco Bay estuary in California. Because it is listed as “endangered,” S. californica has been included in the host range determination of Uromyces salsolae, which is under consideration for biological control of Salsola tragus (Amaranthaceae, Russian thistle). I ...
DOI:: 10.1094/PDIS-09-18-1690-PDN
: http://dx.doi.org/10.1094/PDIS-09-18-1690-PDN

50. First Report of Bacterial Blight of Cabbage (Brassica oleracea var. capitata) Caused by Pseudomonas cannabina pv. alisalensis in California

Author:: Mauzey, S.J.; Koike, S.T.; Bull, C.T.
Source:: Plant disease 2011 v.95 no.1 pp. 71
ISSN:: 0191-2917
Subject:: Brassica oleracea var. capitata; cabbage; Pseudomonas; plant pathogenic bacteria; bacterial diseases of plants; new geographic records; disease outbreaks; disease incidence; signs and symptoms (plants); disease course; pathogen identification; disease diagnosis; nucleotide sequences; microbial genetics; sequence analysis; pathotypes; pathogenicity; host plants; polymerase chain reaction; bacteriophages; host range; California
DOI:: 10.1094/PDIS-09-10-0642
: http://dx.doi.org/10.1094/PDIS-09-10-0642

51. First report of bacterial leaf spot of spinach caused by a Pseudomonas syringae pathovar in California

Author:: Koike, S.T.; Azad, H.R.; Cooksey, D.C.
Source:: Plant disease 2002 v.86 no.8 pp. 921
ISSN:: 0191-2917
Subject:: chemical composition; host range; diameter; disease course; bacteria; strain differences; Spinacia oleracea; Pseudomonas syringae; leaf spot; pathogenicity; new geographic records; California
DOI:: 10.1094/PDIS.2002.86.8.921A
: http://dx.doi.org/10.1094/PDIS.2002.86.8.921A

52. First Report of Bacterial Streak of Fennel (Foeniculum vulgare) in California Caused by Pseudomonas syringae pv. apii

Author:: Jardini, T. M.; Koike, S. T.; Bull, C. T.
Source:: Plant disease 2012 v.96 no.2 pp. 285
ISSN:: 0191-2917
Subject:: plant pathology; peptones; potatoes; gelatin; insects; greenhouses; fennel; celery; fluorescence; Pseudomonas syringae pv. apii; bulbs; agar; ice; Foeniculum vulgare; pathotypes; pathogens; leaves; parsley; cultivars; host range; relative humidity; arginine; sucrose; polymerase chain reaction; pathogenicity; tobacco; DNA fragmentation; repetitive extragenic palindromic sequences; bacteria; California
Abstract:: ... A previously undescribed disease appeared on commercially grown fennel (Foeniculum vulgare) in Salinas (Monterey County), CA in March 2010. Initial symptoms consisted of small, dark brown-to-black lesions on leaves and stems. As disease progressed, lesions expanded in a linear fashion and eventually spread down the stems and into the bulbs. Once the disease reached the fennel bulbs, the plants wer ...
DOI:: 10.1094/PDIS-05-11-0400
: http://dx.doi.org/10.1094/PDIS-05-11-0400

53. First Report of Beet necrotic yellow vein virus Infecting Spinach in California

Author:: Liu, H.Y.; Mou, B.; Richardson, K.; Koike, S.T.
Source:: Plant disease 2010 v.94 no.5 pp. 640
ISSN:: 0191-2917
Subject:: plant viruses; disease vectors; signs and symptoms (plants); Beet necrotic yellow vein virus; plant pathogenic fungi; plant diseases and disorders; spinach; vegetable crops; Polymyxa betae; host range; complementary DNA; amino acid sequences; pathogen identification; pathogenicity; microbial genetics; disease diagnosis; virus transmission; Spinacia oleracea; reverse transcriptase polymerase chain reaction; nucleotide sequences; disease course; California
Abstract:: ... In 2009, plants from two spinach (Spinacia oleracea) experimental fields in Monterey County and one commercial spinach field in Ventura County of California exhibited vein-clearing, mottling, interveinal yellowing, and stunting symptoms. For experimental fields, up to 44% of spinach plants have symptoms. With a transmission electron microscope, rigid rod-shaped particles with central canals were o ...
DOI:: 10.1094/PDIS-94-5-0640A
: http://dx.doi.org/10.1094/PDIS-94-5-0640A

54. First Report of Beet western yellows virus Infecting Epiphyllum spp

Author:: Eicholtz, M.; Grinstead, S.; Wu, L.-P.; Kinard, G.; Li, R.
Source:: Plant disease 2018 v.102 no.2 pp. 464
ISSN:: 0191-2917
Subject:: Alternanthera mosaic virus; plant viruses; flowering; Carlavirus; cacti and succulents; Orchidaceae; Brassicaceae; plant diseases and disorders; hybrids; Potyviridae; Zygocactus virus X; viruses; Beet western yellows virus; legumes; mixed infection; Ampelovirus; ornamental plants; host range; Cactus virus X; oligodeoxyribonucleotides; high-throughput nucleotide sequencing; hosts; Nepenthes mirabilis; weeds; lettuce; Epiphyllum; Caulimovirus; Badnavirus; reverse transcriptase polymerase chain reaction; Saguaro cactus virus; epiphytes; Cactus mild mottle virus; nucleotide sequences; RNA; Impatiens necrotic spot tospovirus; crops; California; New York
Abstract:: ... Epiphyllum spp. (orchid cactus) is a group of epiphytic plants in the cactus family grown as flowering ornamentals. Symptoms of virus infections are frequently observed in them (Chessin and Hammond 2002). In 2015, an Epiphyllum hybrid with chlorotic spots was found in California. Twelve more Epiphyllum hybrids (six with chlorotic ring spots, mottle, or mosaic and six asymptomatic) were obtained fr ...
DOI:: 10.1094/PDIS-08-17-1238-PDN
: http://dx.doi.org/10.1094/PDIS-08-17-1238-PDN

55. First Report of Cylindrocarpon liriodendri Causing Black Foot Disease of Grapevine in California

Author:: Petit, E.; Gubler, W.D.
Source:: Plant disease 2007 v.91 no.8 pp. 1060
ISSN:: 0191-2917
Subject:: host range; Neonectria; grapes; signs and symptoms (plants); fungal diseases of plants; host plants; phylogeny; ribosomal DNA; internal transcribed spacers; disease outbreaks; pathogen identification; molecular systematics; genes; Vitis vinifera; microbial genetics; new geographic records; disease diagnosis; California
DOI:: 10.1094/PDIS-91-8-1060A
: http://dx.doi.org/10.1094/PDIS-91-8-1060A

56. First Report of Dactylonectria torresensis Causing Foot and Root Rot of Olive Trees

Author:: Nigro, F.; Antelmi, I.; Sion, V.; Parente, P.; Pacifico, A.
Source:: Plant disease 2019 v.103 no.4 pp. 768
ISSN:: 0191-2917
Subject:: Abies; Castanea; DNA primers; Fragaria; Olea europaea; Quercus; Viburnum; Vitis vinifera; actin; agar; bark; bleaching agents; branches; color; conidia; cracking; cultivars; culture media; death; dieback; dipping; genes; growing season; host range; internal transcribed spacers; leaves; mycelium; olives; orchards; pathogenicity; polymerase chain reaction; root crown; root rot; roots; shade; sodium hypochlorite; stabilizers; streptomycin; sulfates; temperature; trees; tubulin; California; Italy
Abstract:: ... During the 2014 to 2016 growing seasons, a severe decline of olive (Olea europaea L., 8 to 30 years old) was observed in several orchards (approximately 50 ha) located in Apulia (Southern Italy). Affected trees (20 to 40% per orchard) showed stunted growth, chlorotic leaves, and dieback of twigs and branches. Root collar and large roots showed black, sunken, necrotic lesions, usually associated wi ...
DOI:: 10.1094/PDIS-09-17-1381-PDN
: http://dx.doi.org/10.1094/PDIS-09-17-1381-PDN

57. First Report of Foliar Infection of Maianthemum racemosum by Phytophthora ramorum

Author:: Hüberli, D.; Ivors, K.L.; Smith, A.; Tse, T.G.; Garbelotto, M.
Source:: Plant disease 2005 v.89 no.2 pp. 204
ISSN:: 0191-2917
Subject:: indigenous species; Liliaceae; wild plants; perennials; Phytophthora ramorum; plant pathogenic fungi; fungal diseases of plants; leaves; lesions (plant); pathogen identification; disease diagnosis; internal transcribed spacers; ribosomal DNA; host plants; alternative hosts; pathogenicity; disease course; disease resistance; host range; ornamental plants; nursery crops; California
DOI:: 10.1094/PD-89-0204C
: http://dx.doi.org/10.1094/PD-89-0204C

58. First report of foliar infection of Rosa gymnocarpa by Phytophthora ramorum

Author:: Huberli, D.; Reuther, K.D.; Smith, A.; Swain, S.; Tse, J.G.; Garbelotto, M.
Source:: Plant disease 2004 v.88 no.4 pp. 430
ISSN:: 0191-2917
Subject:: Rosa; understory; temperate forests; Phytophthora ramorum; plant pathogenic fungi; fungal diseases of plants; foliar diseases; petioles; pathogen identification; internal transcribed spacers; ribosomal DNA; alternative hosts; pathogenicity; new host records; host range; ornamental plants; nursery crops; California
DOI:: 10.1094/PDIS.2004.88.4.430
: http://dx.doi.org/10.1094/PDIS.2004.88.4.430

59. First Report of Golovinomyces monardae Causing Powdery Mildew on Spearmint in New Jersey

Author:: Rajmohan, Nimmi; Wyenandt, Christian A.; Simon, James E.; Gianfagna, Thomas J.
Source:: Plant disease 2019 v.103 no.10 pp. 2686
ISSN:: 0191-2917
Subject:: DNA primers; Erysiphe cichoracearum; Golovinomyces orontii; Mentha piperita nothosubsp. piperita; Mentha spicata; breeding; chlorosis; conidia; essential oils; fungi; germplasm conservation; greenhouses; herbal tea; host range; hosts; internal transcribed spacers; mint; necrosis; oil crops; pathogenicity; pathogens; petioles; polymerase chain reaction; powdery mildew; pressing; ribosomal DNA; spices; sporulation; stems; summer; temperature; California; Italy; New Brunswick; New Jersey
Abstract:: ... Spearmint (Mentha spicata L., family Lamiaceae) is a widely cultivated and economically important aromatic plant grown around the world and used as a fresh or dried spice/flavoring, herbal tea, essential oil crop, and ornamental. During consecutive summers in 2017 and 2018, spearmint plants, as part of a USDA germplasm collection, growing in Rutgers greenhouses in New Brunswick, New Jersey, exhibi ...
DOI:: 10.1094/PDIS-03-19-0660-PDN
: http://dx.doi.org/10.1094/PDIS-03-19-0660-PDN

60. First Report of Grass Species (Poaceae) as Naturally Occurring Hosts of the Pine Pathogen Gibberella circinata

Author:: Swett, C. L.; Gordon, T. R.
Source:: Plant disease 2012 v.96 no.6 pp. 908
ISSN:: 0191-2917
Subject:: Festuca arundinacea; Fusarium circinatum; Holcus lanatus; Pinus radiata; Zea mays; agar; anamorphs; coasts; corn; endophytes; ethanol; fawns; grasses; host range; hosts; leaves; pathogens; polysorbates; potassium chloride; runoff; seedlings; selective media; sodium hypochlorite; spores; stems; trees; virulence; California
Abstract:: ... Gibberella circinata (anamorph Fusarium circinatum) causes pitch canker in pines and is not known to have any hosts outside the Pinaceae. However, G. circinata is closely related to and interfertile with G. subglutinans, which is associated with grasses both as a pathogen and a commensal endophyte. Furthermore, studies under controlled conditions have shown that G. circinata can colonize corn (Zea ...
DOI:: 10.1094/PDIS-02-12-0116-PDN
: http://dx.doi.org/10.1094/PDIS-02-12-0116-PDN

61. First Report of Nemesia ring necrosis virus in North America in Ornamental Plants from California

Author:: Mathews, D.M.; Dodds, J.A.
Source:: Plant disease 2006 v.90 no.9 pp. 1263
ISSN:: 0191-2917
Subject:: plant viruses; ornamental plants; sequence analysis; coat proteins; host range; nursery crops; Nemesia; reverse transcriptase polymerase chain reaction; enzyme-linked immunosorbent assay; pathogenicity; Verbena; pathogen identification; nucleotide sequences; double-stranded RNA; new geographic records; disease diagnosis; California
DOI:: 10.1094/PD-90-1263C
: http://dx.doi.org/10.1094/PD-90-1263C

62. First Report of Phytophthora ramorum Infecting California Red Fir in California

Author:: Chastagner, G.A.; Riley, K.L.
Source:: Plant disease 2010 v.94 no.9 pp. 1170
ISSN:: 0191-2917
Subject:: Abies magnifica; Christmas trees; forest plantations; Umbellularia californica; forest trees; Phytophthora ramorum; fungal diseases of plants; tree diseases; pathogen identification; disease diagnosis; pathogenicity; host plants; new host records; alternative hosts; host range; California
Abstract:: ... In May 2005, branches originating from five separate whorls below the terminal on a single California red fir (Abies magnifica) in a mixed grand fir (Abies grandis) and Douglas-fir (Pseudotsuga menziesii) Christmas tree plantation near Los Gatos, CA displayed wilting and dieback of new shoot growth. Brown dieback, delineated by needle loss, extended 6 to 8 cm into 1-year-old and sometimes 2-year-o ...
DOI:: 10.1094/PDIS-94-9-1170B
: http://dx.doi.org/10.1094/PDIS-94-9-1170B

63. First Report of Plum Bark Necrosis Stem Pitting-Associated Virus in Sweet Cherry in Spain

Author:: Ruiz-García, A. B.; Morán, F.; Olmos, A.
Source:: Plant disease 2020 v.104 no.2 pp. 602
ISSN:: 0191-2917
Subject:: Cherry virus A; Plum bark necrosis stem pitting-associated virus; Prunus avium; Prunus salicina; RNA; apricots; bark; computer software; cultivars; databases; epidemiology; fruit growing; fruit trees; genes; high-throughput nucleotide sequencing; host range; leaves; nucleotide sequences; plant diseases and disorders; plant viruses; plums; quality control; reverse transcriptase polymerase chain reaction; summer; surveys; viruses; California; France; Spain
Abstract:: ... Plum bark necrosis stem pitting-associated virus is a viral species that belongs to the genus Ampelovirus, family Closteroviridae. Plum bark necrosis stem pitting-associated virus (PBNSPaV) was reported for the first time infecting plum trees (Prunus salicina Lindl.) in Dinuba, CA, U.S.A. (Uyemoto and Teviotdale 1996). Since then, PBNSPaV has been shown to be distributed worldwide, affecting a bro ...
DOI:: 10.1094/PDIS-07-19-1567-PDN
: http://dx.doi.org/10.1094/PDIS-07-19-1567-PDN

64. First report of powdery mildew caused by Erysiphe heraclei on chervil in California

Author:: Koike, S.T.; Saenz, G.S.
Source:: Plant disease 2004 v.88 no.10 pp. 1163
ISSN:: 0191-2917
Subject:: Anthriscus cerefolium; chervil; powdery mildew; Erysiphe; new geographic records; host range; Petroselinum crispum; parsley; Apium graveolens; celery; California
DOI:: 10.1094/PDIS.2004.88.10.1163C
: http://dx.doi.org/10.1094/PDIS.2004.88.10.1163C

65. First Report of Powdery Mildew Caused by Podosphaera euphorbiae-hirtae on Euphorbia tithymaloides in California

Author:: Rooney-Latham, S.; Bischoff, J. F.
Source:: Plant disease 2012 v.96 no.12 pp. 1822
ISSN:: 0191-2917
Subject:: Acalypha; DNA primers; Euphorbia; Oidium; Podosphaera; Polemonium caeruleum; appressoria; branches; conidia; cultivars; dew; diagnostic techniques; disease incidence; fungi; genetic databases; growth chambers; host range; hyphae; internal transcribed spacers; landscapes; leaves; mycelium; ornamental plants; pathogenicity; pests; photoperiod; polymerase chain reaction; powdery mildew; pressing; ribosomal DNA; surveys; Africa; Asia; Australia; California; Costa Rica; Cuba; Florida; Puerto Rico; United Kingdom; Virgin Islands of the United States
Abstract:: ... Euphorbia tithymaloides (Euphorbiaceae; known as ‘Jacob's ladder,’ ‘Devil's Backbone’) is a perennial, succulent spurge, grown primarily as a border plant in ornamental landscapes. In June 2011 and February 2012, the California Department of Food and Agriculture Plant Pest Diagnostics Lab, Sacramento, CA, received an unusual powdery mildew sample on greenhouse-grown E. tithymaloides from a Ventura ...
DOI:: 10.1094/PDIS-04-12-0412-PDN
: http://dx.doi.org/10.1094/PDIS-04-12-0412-PDN

66. First Report of Powdery Mildew on Peppermint (Mentha piperita) Caused by Golovinomyces biocellatus in Spain

Author:: Martínez-Cruz, J.; Fernández-Ortuño, D.; de Vicente, A.; Pérez-García, A.
Source:: Plant disease 2019 v.103 no.6 pp. 1427
ISSN:: 0191-2917
Subject:: Glechoma hederacea; Golovinomyces; Malus sylvestris; Mentha longifolia; Mentha piperita nothosubsp. piperita; Mentha spicata; chlorosis; color; conidia; conidiophores; disease severity; germ tube; host range; humidity; microscopy; mint; pathogenicity; petioles; plant pathogenic fungi; powdery mildew; pressing; ribosomal DNA; sequence analysis; stems; temperature; California; Spain
Abstract:: ... Peppermint (Mentha piperita L., family Lamiaceae) is an aromatic plant commonly grown as a culinary herb. In September 2018, typical symptoms of powdery mildew infection were observed on peppermint plants in a field located in La Carolina (Jaén), northern Andalusia, Spain. The disease severity on infected plants caused chlorosis and senescence of leaves. Symptoms appeared as a characteristic pulve ...
DOI:: 10.1094/PDIS-11-18-2117-PDN
: http://dx.doi.org/10.1094/PDIS-11-18-2117-PDN

67. First Report of Pseudomonas viridiflava as the Causal Agent of Bacterial Leaf Spot of Mexican Heather in California

Author:: Albu, S.; Lai, M.; Woods, P. W.; Kumagai, L. B.
Source:: Plant disease 2018 v.102 no.12 pp. 2633
ISSN:: 0191-2917
Subject:: Cuphea; Pseudomonas viridiflava; agar; antibiotics; arginine deiminase; atomization; bacteria; canopy; chlorosis; crops; feeds; flagellum; fluorescence; genes; genetic databases; gentian violet; greenhouses; host range; inoculum; leaf spot; leaves; levan; nucleotide sequences; oils; ornamental woody plants; pathogenicity; pathogens; phylogeny; plastic bags; ribosomal DNA; ribosomal RNA; ultraviolet radiation; California
Abstract:: ... Mexican heather (Cuphea hyssopifolia; Lythraceae) is a popular evergreen perennial ornamental shrub that is commonly grown as a ground cover or in containers. Some species in the genus have been identified as potential sources of specialty oils (Graham 1989) and as alternatives to antibiotics in animal feed products (Dierick et al. 2004). In June 2017, chlorosis and lesions were observed on leaf m ...
DOI:: 10.1094/PDIS-03-18-0405-PDN
: http://dx.doi.org/10.1094/PDIS-03-18-0405-PDN

68. First Report of Raspberry bushy dwarf virus in Rubus multibracteatus from China

Author:: Chamberlain, C.J.; Kraus, J.; Kohnen, P.D.; Finn, C.E.; Martin, R.R.
Source:: Plant disease 2003 v.87 no.5 pp. 603
ISSN:: 0191-2917
Subject:: Agricultural Research Service; Chenopodium quinoa; RNA; Raspberry bushy dwarf virus; Rubus occidentalis; Tobacco streak virus; Tomato ringspot virus; amino acid sequences; amino acids; antiserum; coat proteins; enzyme-linked immunosorbent assay; genes; germplasm; greenhouses; host range; leaves; monoclonal antibodies; new geographic records; phylogeny; plant pathology; planting; plasmid vectors; reverse transcriptase polymerase chain reaction; seedlings; strains; testing; vigor; viruses; Australia; California; China; Europe; New Zealand; South Africa; South America
Abstract:: ... Raspberry bushy dwarf virus (RBDV), genus Idaeovirus, has been reported in commercial Rubus spp. from North and South America, Europe, Australia, New Zealand, and South Africa. Infection can cause reduced vigor and drupelet abortion leading to crumbly fruit and reduced yields (3,4). In recent years, Rubus germplasm in the form of seed, was obtained on several collection trips to The People's Repub ...
DOI:: 10.1094/PDIS.2003.87.5.603A
: http://dx.doi.org/10.1094/PDIS.2003.87.5.603A

69. First report of rust caused by Puccinia allii on wild garlic in California

Author:: Koike, S.T.; Smith, R.F.
Source:: Plant disease 2001 v.85 no.12 pp. 1290
ISSN:: 0191-2917
Subject:: disease diagnosis; Allium vineale; Puccinia allii; rust diseases; new host records; wild plants; fungal spores; plant morphology; host range; overwintering; California
DOI:: 10.1094/PDIS.2001.85.12.1290D
: http://dx.doi.org/10.1094/PDIS.2001.85.12.1290D

70. First Report of the European Lineage of Phytophthora ramorum on Viburnum and Osmanthus spp. in a California Nursery

Author:: Grunwald, N.J.; Goss, E.M.; Larsen, M.M.; Press, C.M.; McDonald, V.T.; Blomquist, C.L.; Thomas, S.L.
Source:: Plant disease 2008 v.92 no.2 pp. 314
ISSN:: 0191-2917
Subject:: ornamental plants; Phytophthora ramorum; host range; microsatellite repeats; fungal diseases of plants; host plants; clones; Osmanthus fragrans; plant pathogenic fungi; genetic markers; pathotypes; Viburnum tinus; new geographic records; California
DOI:: 10.1094/PDIS-92-2-0314B
: http://dx.doi.org/10.1094/PDIS-92-2-0314B

71. First report of Verticillium dahliae causing artichoke wilt in California

Author:: Bhat, R.G.; Subbarao, K.V.; Bari, M.A.
Source:: Plant disease 1999 v.83 no.8 pp. 782
ISSN:: 0191-2917
Subject:: infection; Cynara cardunculus subsp. cardunculus; Verticillium dahliae; new geographic records; roots; pathogenicity; host range; new host records; fungal diseases of plants; plant vascular system; California
DOI:: 10.1094/PDIS.1999.83.8.782D
: http://dx.doi.org/10.1094/PDIS.1999.83.8.782D

72. First Report of Verticillium Wilt on Field-Grown Cosmos Caused by Verticillium dahliae in California

Author:: Blomquist, C.L.; Rooney-Latham, S.; Haynes, J.L.; Scheck, H.J.
Source:: Plant disease 2011 v.95 no.3 pp. 361
ISSN:: 0191-2917
Subject:: Cosmos bipinnatus; Verticillium dahliae; Verticillium wilt; agar; chlorosis; conidia; conidiophores; crops; cut flowers; death; diagnostic techniques; flowers; fungi; growth chambers; host range; hyphae; internal transcribed spacers; landscapes; necrosis; pathogenicity; pathogens; pests; photoperiod; planting; ribosomal DNA; root tips; seedlings; sensation; sequence analysis; stems; vegetable consumption; vegetables; wilting; California; Italy
Abstract:: ... Cosmos (Cosmos bipinnatus Cav.) is an annual that is grown for cut flowers or as a landscape bedding plant. In late July 2009, cosmos plants were collected from a 0.4-ha field in Santa Barbara County, CA and submitted to the California Department of Food and Agriculture's Plant Pest Diagnostics Laboratory. Plants showed symptoms of chlorosis, wilting, necrosis, and death. Symptomatic plants compri ...
DOI:: 10.1094/PDIS-11-10-0783
: http://dx.doi.org/10.1094/PDIS-11-10-0783

73. Foliar pathogens are unlikely to stabilize coexistence of competing species in a California grassland

Author:: Spear, Erin R.; Mordecai, Erin A.
Source:: Ecology 2018 v.99 no.10 pp. 2250-2259
ISSN:: 0012-9658
Subject:: animals; community structure; competitive exclusion; fungal communities; grasslands; host range; host specificity; hosts; indigenous species; introduced species; plant pathogenic fungi; rare species; species diversity; wild plants; California
Abstract:: ... Pathogen infection is common in wild plants and animals, and may regulate their populations. If pathogens have narrow host ranges and increase with the density of their favored hosts, they may promote host species diversity by suppressing common species to the benefit of rare species. Yet, because many pathogens infect multiple co‐occurring hosts, they may not strongly respond to the relative abun ...
DOI:: 10.1002/ecy.2427
: http://dx.doi.org/10.1002/ecy.2427

74. Genetic analysis of Eutypa strains from California supports the presence of two pathogenic species

Author:: DeScenzo, R.A.; Engel, S.R.; Gomez, G.; Jackson, E.L.; Munkvold, G.P.; Weller, J.; Irelan, N.A.
Source:: Phytopathology 1999 v.89 no.10 pp. 884-893
ISSN:: 0031-949X
Subject:: plant pathogenic fungi; interspecific variation; plant diseases and disorders; amplified fragment length polymorphism; ribosomal DNA; genetic distance; internal transcribed spacers; Vitis vinifera; genetic polymorphism; infection; host range; host plants; pathogenicity; chemotaxonomy; Quercus lobata; Arbutus menziesii; Eutypa armeniacae; Australia; South Africa; California; Italy; Michigan; New York
Abstract:: ... Eutypa dieback is a perennial canker disease that adversely affects grape (Vitis vinifera) production throughout the world. The causal agent has been known as either Eutypa armeniacae or E. lata, and it has been unclear whether the two taxa are separate species. We analyzed 115 isolates of Eutypa and conspecific strains, including 106 from California, using amplified fragment length polymorphism ( ...
DOI:: 10.1094/PHYTO.1999.89.10.884
PubMed:: 18944731
: http://dx.doi.org/10.1094/PHYTO.1999.89.10.884

75. Genetic structure among pinyon pine beetle populations (Scolytinae: Ips confusus)

Author:: Cognato, A.I.; Harlin, A.D.; Fisher, M.L.
Source:: Environmental entomology 2003 v.32 no.5 pp. 1262-1270
ISSN:: 0046-225X
Subject:: genes; cytochrome-c oxidase; Ips; population genetics; population structure; host range; host plants; Pinus monophylla; Pinus edulis; Picea pungens; mitochondrial DNA; nucleotide sequences; haplotypes; genetic variation; geographical variation; phylogeny; phytophagous insects; bark beetles; New Mexico; Colorado; Arizona; California
Abstract:: ... The bark beetle, Ips confusus (LeConte), provides an opportunity to study the influence of past geologic events and host use on lineage diversification of a herbivorous insect. This beetle mainly feeds on two pinyon pine (Pinus) species, but it has been collected from other conifer species. Isolation by host may contribute to lineage diversity and population structure. Alternatively, the repeat fr ...
DOI:: 10.1603/0046-225X-32.5.1262
: http://dx.doi.org/10.1603/0046-225X-32.5.1262

76. Genetic structure of Pacific Flyway avian influenza viruses is shaped by geographic location, host species, and sampling period

Author:: Girard, Yvette A.; Runstadler, Jonathan A.; Aldehoff, Florian; Boyce, Walter
Source:: Virus genes 2012 v.44 no.3 pp. 415-428
ISSN:: 0920-8569
Subject:: Anseriformes; Chiroptera; Influenza A virus; Laridae; avian influenza; genes; genotype; host range; hosts; sequence analysis; space and time; trees; viruses; waterfowl; Alaska; California
Abstract:: ... The eight gene segments of avian influenza virus (AIV) reassort frequently and rapidly to generate novel genotypes and subtypes that are transmissible to a broad range of hosts. There is evidence that AIV can have a restricted host range and can segregate in space and time. Host–virus relationships at the species, geographic, and spatial scales have not been fully defined for AIV populations of th ...
DOI:: 10.1007/s11262-011-0706-5
PubMed:: 22222690
: http://dx.doi.org/10.1007/s11262-011-0706-5

77. Genome sequence, host range, and whitefly transmission of the torradovirus Tomato necrotic dwarf virus

Author:: Wintemantel, W. M.; Hladky, L. L.; Cortez, A. A.
Source:: Acta horticulturae 2018 no.1207 pp. 295-302
ISSN:: 0567-7572
Subject:: Bemisia tabaci; RNA; Solanaceae; Tomato marchitez virus; Trialeurodes vaporariorum; crop production; genome; host range; open reading frames; polyproteins; tomatoes; virion; viruses; California
Abstract:: ... Tomato necrotic dwarf virus (ToNDV) is a whitefly-transmitted virus that caused significant losses for tomato production in southern California during the 1980s, but was never fully characterized. The virus produces icosahedral virions, approximately 30 nm in diameter. Previous studies demonstrated transmission by Bemisia tabaci as well as mechanically and by grafting, and current studies have dem ...
DOI:: 10.17660/ActaHortic.2018.1207.41
: http://dx.doi.org/10.17660/ActaHortic.2018.1207.41

78. Genomic analysis of multiple Roseophage SIO1 strains

Author:: Angly, Florent; Youle, Merry; Nosrat, Bahador; Srinagesh, Shailaja; Rodriguez-Brito, Beltran; McNairnie, Patrick; Deyanat-Yazdi, Gordafaried; Breitbart, Mya; Rohwer, Forest
Source:: Environmental microbiology 2009 v.11 no.11 pp. 2863-2873
ISSN:: 1462-2912
Subject:: Roseobacter; bacteriophages; bioinformatics; evolution; genome; genomics; host range; open reading frames; California; Pacific Ocean
Abstract:: ... Roseophage SIO1 is a lytic marine phage that infects Roseobacter SIO67, a member of the Roseobacter clade of near-shore alphaproteobacteria. Roseophage SIO1 was first isolated in 1989 and sequenced in 2000. We have re-sequenced and re-annotated the original isolate. Our current annotation could only assign functions to seven additional open reading frames, indicating that, despite the advances in ...
DOI:: 10.1111/j.1462-2920.2009.02021.x
PubMed:: 19659499
: http://dx.doi.org/10.1111/j.1462-2920.2009.02021.x

79. Hepatic Hemorrhage, Hemocoelom, and Sudden Death due to Haemoproteus Infection in Passerine Birds: Eleven Cases

Author:: Donovan, Taryn A.; Schrenzel, Mark; Tucker, Tammy A.; Pessier, Allan P.; Stalis, Ilse H.
ISSN:: 1040-6387
Subject:: life cycle (organisms); Passeriformes; zoo animals; Haemoproteus; animal pathogens; pathogenicity; genotype; host range; hosts; mortality; disease outbreaks; disease severity; signs and symptoms (animals and humans); hemorrhage; hepatocytes; necrosis; inflammation; developmental stages; polymerase chain reaction; pathogen identification; nucleotide sequences; nucleic acid hybridization; California
Abstract:: ... Haemoproteus spp. are ancient apicomplexan hemoparasites that have undergone extensive coevolution with their natural hosts and are typically species specific, with inapparent or minimal pathogenicity. A promiscuous genotype of Haemoproteus capable of undergoing host switching on a familial level was identified. This protozoan caused severe disease with high mortality in 6 species of exotic passer ...
DOI:: 10.1177/104063870802000307
PubMed:: 18460616
: https://dx.doi.org/10.1177/104063870802000307

80. Heterogeneity of Xanthomonas campestris pv. hederae strains from araliaceous hosts

Author:: Norman, D.J.; Chase, A.R.; Stall, R.E.; Jones, J.B.
Source:: Phytopathology 1999 v.89 no.8 pp. 646-652
ISSN:: 0031-949X
Subject:: Schefflera actinophylla; Hedera helix; Schefflera arboricola; pathogenicity; host range; fatty acids; quantitative analysis; strain differences; DNA fingerprinting; geographical variation; pathotypes; chemical constituents of plants; Polyscias fruticosa; Florida; California; Hawaii; New Zealand
Abstract:: ... Xanthomonas campestris pv. hederae (synonym X. hortorum pv. hederae) strains (59 total) were collected from plants in the araliaceae family. Strains were isolated from Hedera helix, Schefflera arboricola, Brassaia actinophylla, and Polyscias spp. from Florida, California, Hawaii, and New Zealand. All strains produced yellow mucoid growth; hydrolyzed esculin, starch, casein and gelatin; were pectol ...
DOI:: 10.1094/PHYTO.1999.89.8.646
PubMed:: 18944676
: http://dx.doi.org/10.1094/PHYTO.1999.89.8.646

81. High temperatures are not responsible for lack of infection of citrus roots by Phytophthora citrophthora during the summer, but suppressive soil microorganisms may inhibit infection by P. citrophthora

Author:: Dirac, M.F.; Menge, J.A.
Source:: Plant and soil 2002 v.241 no.2 pp. 243-249
ISSN:: 0032-079X
Subject:: fungal antagonists; host range; plant diseases and disorders; Capsicum annuum; host plants; air temperature; Juniperus horizontalis; Cucurbita pepo; soil microorganisms; Phytophthora citrophthora; alternative hosts; seasonal variation; Citrus; Gomphrena globosa; roots; infection; California

82. Host egg characteristics, physiological host range, and parasitism following inundative releases of Trichogramma platneri (Hymenoptera: Trichogrammatidae) in walnut orchards

Author:: Mansfield, S.; Mills, N.J.
Source:: Environmental entomology 2002 v.31 no.4 pp. 723-731
ISSN:: 0046-225X
Subject:: Trichogramma; biological control agents; parasitoids; Cydia pomonella; host range; host-parasite relationships; parasitism; ova; biological control; Juglans regia; orchards; nontarget organisms; California
Abstract:: ... Under controlled conditions we exposed eggs of 17 potential host taxa representing five orders and 14 families to females of Trichogramma platneri Nagarkatti, an egg parasitoid used as an inundative biological control agent against codling moth, Cydia pomonella L. (Lepidoptera: Tortricidae). Trichogramma platneri successfully parasitized species from five lepidopteran families (Gelechiidae, Noctui ...
DOI:: 10.1603/0046-225X-31.4.723
: http://dx.doi.org/10.1603/0046-225X-31.4.723

83. Host Range and Phylogeny of Fusarium solani f. sp. eumartii from Potato and Tomato in California

Author:: Romberg, M.K.; Davis, R.M.
Source:: Plant disease 2007 v.91 no.5 pp. 585-592
ISSN:: 0191-2917
Subject:: tomatoes; eggplants; host range; sweet peppers; Solanum melongena; Capsicum annuum; ribosomal DNA; Solanum tuberosum; phylogeny; strain differences; plant rots; internal transcribed spacers; pathogenicity; potatoes; microbial genetics; Fusarium solani; Solanum lycopersicum var. lycopersicum; California
Abstract:: ... Fusarium solani f. sp. eumartii, historically considered solely a pathogen of potato (Solanum tuberosum), was associated with tomato plants (Lycopersicon esculentum) exhibiting foot rot symptoms in California. The pathogenicity of California isolates of F. solani f. sp. eumartii from potato plants with Eumartii wilt symptoms and tomato plants with foot rot symptoms was determined on potato, tomato ...
DOI:: 10.1094/PDIS-91-5-0585
: http://dx.doi.org/10.1094/PDIS-91-5-0585

84. Host Range, Biological Variation, and Phylogenetic Diversity of Eutypa lata in California

Author:: Trouillas, F.P.; Gubler, W.D.
Source:: Phytopathology 2010 v.100 no.10 pp. 1048-1056
ISSN:: 0031-949X
Subject:: phylogeny; plant pathogenic fungi; genes; interspecific variation; wild plants; fungal diseases of plants; ribosomal DNA; internal transcribed spacers; phenotypic variation; ornamental plants; host range; sequence analysis; host plants; strain differences; pathogen identification; pathogenicity; microbial genetics; geographical variation; Eutypa; indigenous species; fruit crops; California
Abstract:: ... The objectives of this study were to investigate the host range of Eutypa lata in the major grape-growing regions in California and to analyze the phenotypic variation and phylogenetic diversity of E. lata isolates. Perithecia of E. lata were found on grapevines, in apricot, almond, cherry, apple, and pear tree orchards, and on ornamentals (oleander) and native plant species (California buckeye, b ...
DOI:: 10.1094/PHYTO-02-10-0040
PubMed:: 20839940
: http://dx.doi.org/10.1094/PHYTO-02-10-0040

85. Host Range of Fusarium Dieback and Its Ambrosia Beetle (Coleoptera: Scolytinae) Vector in Southern California

Author:: Eskalen, Akif; Stouthamer, Richard; Lynch, Shannon Colleen; Rugman-Jones, Paul F.; Twizeyimana, Mathias; Gonzalez, Alex; Thibault, Tim
Source:: Plant disease 2013 v.97 no.7 pp. 938-951
ISSN:: 0191-2917
Subject:: Fusarium; Robinia pseudoacacia; Scolytidae; ambrosia beetles; avocados; botanical gardens; dieback; fungi; host plants; host range; plant communities; planting; street trees; surveys; symbiosis; tissues; California; Israel
Abstract:: ... The polyphagous shot hole borer (PSHB) is an invasive ambrosia beetle that forms a symbiosis with a new, as-yet-undescribed Fusarium sp., together causing Fusarium dieback on avocado and other host plants in California and Israel. In California, PSHB was first reported on black locust in 2003 but there were no records of fungal damage until 2012, when a Fusarium sp. was recovered from the tissues ...
DOI:: 10.1094/PDIS-11-12-1026-RE
: http://dx.doi.org/10.1094%2FPDIS-11-12-1026-RE

86. Host range of Gonatocerus sp. near tuberculifemur ‘Clade 1’ in Argentina, an egg parasitoid newly associated to the glassy-winged sharpshooter, Homalodisca vitripennis (Hemiptera: Cicadellidae), and candidate for its biological control in California, USA

Author:: Logarzo, Guillermo A.; Virla, Eduardo G.; Luft Albarracin, Erica; Triapitsyn, Serguei V.; Jones, Walker A.; de León, Jesse H.; Briano, Juan A.
Source:: BioControl 2012 v.57 no.1 pp. 37-48
ISSN:: 1386-6141
Subject:: laboratories; host range; motivation; parasitism; parasitoids; biological control agents; host-parasite relationships; hosts; Gonatocerus; Homalodisca vitripennis; field experimentation; insect control; insects; biological control; Argentina; California
Abstract:: ... The South American egg parasitoid Gonatocerus sp. near tuberculifemur “Clade 1” (G. sp. “Clade 1”) (Hymenoptera: Mymaridae) is a new association of the glassy-winged sharpshooter (GWSS), Homalodisca vitripennis (Germar) (Cicadellidae) and a candidate for its biological control in California, USA. In Argentina, G. sp. “Clade 1” was screened in the laboratory (no-choice tests) and in the field (mult ...
DOI:: 10.1007/s10526-011-9368-4
: http://dx.doi.org/10.1007/s10526-011-9368-4

87. Host Range of Verticillium isaacii and Verticillium klebahnii from Artichoke, Spinach, and Lettuce

Author:: Gurung, Suraj; Short, Dylan P. G.; Hu, Xiaoping; Sandoya, German V.; Hayes, Ryan J.; Koike, Steven T.; Subbarao, Krishna V.
Source:: Plant disease 2015 v.99 no.7 pp. 933-938
ISSN:: 0191-2917
Subject:: Verticillium dahliae; Verticillium wilt; agricultural soils; artichokes; cauliflower; coastal soils; crops; disease severity; eggplants; greenhouse experimentation; host range; lettuce; new species; pathogens; pepper; phylogeny; races; spinach; strawberries; tomatoes; virulence; California
Abstract:: ... Verticillium is a genus that includes major vascular wilt pathogens. Recently, multilocus phylogenetic analyses of the genus identified five new species, including Verticillium isaacii and V. klebahnii, both of which occur in agricultural soils in coastal California and have been isolated from asymptomatic and diseased spinach and lettuce plants. Little data are available regarding their pathogeni ...
DOI:: 10.1094/PDIS-12-14-1307-RE
: http://dx.doi.org/10.1094/PDIS-12-14-1307-RE

88. Host Range Testing of Tamarixia radiata (Hymenoptera: Eulophidae) Sourced from the Punjab of Pakistan for Classical Biological Control of Diaphorina citri (Hemiptera: Liviidae: Euphyllurinae: Diaphorinini) in California

Author:: Hoddle, Mark S.; Pandey, Raju
Source:: Journal of economic entomology 2014 v.107 no.1 pp. 125-136
ISSN:: 0022-0493
Subject:: Bactericera cockerelli; Citrus; Diaphorina citri; Tamarixia radiata; biological control; host plants; host range; host specificity; indigenous species; nontarget organisms; noxious weeds; orchards; parasitoids; quarantine; risk; California; Pakistan
Abstract:: ... Tests evaluating the host range of Tamarixia radiata (Waterson) (Hymenoptera: Eulophidae), a parasitoid of the pestiferous Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae), sourced from the Punjab of Pakistan, were conducted in quarantine at the University of California, Riverside, CA. Seven nontarget psyllid species (five native and two self-introduced species) representing f ...

89. Host specificity of Bangasternus orientalis Capiomont (Coleoptera: Curculionidae) introduced into the United States for biological control of yellow starthistle (Centaurea solstitialis L., Asteraceae: Carduae)

Author:: Campobasso, G.; Sobhian, R.; Knutson, L.; Terragitti, G.
Source:: Environmental entomology 1998 v.27 no.6 pp. 1525-1530
ISSN:: 0046-225X
Subject:: host range; weed control; Curculionidae; oviposition; biological control agents; host plants; introduced species; Centaurea solstitialis; oviposition sites; larvae; biological development; mortality; biological control; Idaho; Oregon; California
Abstract:: ... The weevil Bangasternus orientalis Capiomont was selected as a candidate for the biological control of Centaurea solstitialis L. (yellow starthistle) in the United States. Its potential host range was studied during 1982, 1983, and 1984 in Rome, Italy, using populations collected from C. solstitialis in Thermi near Thessaloniki and Kozani in northern Greece. Adults laid eggs only on members of the ...
DOI:: 10.1093/ee/27.6.1525
: http://dx.doi.org/10.1093/ee/27.6.1525

90. Host specificity of Sacculina carcini, a potential biological control agent of the introduced European green crab Carcinus maenas in California

Author:: Goddard, J.H.R.; Torchin, M.E.; Kuris, A.M.; Lafferty, K.D.
Source:: Biological invasions 2005 v.7 no.6 pp. 895-912
ISSN:: 1387-3547
Subject:: indigenous species; Cirripedia; biological control agents; predator control; Carcinus maenas; introduced species; host specificity; host range; nontarget organisms; crabs; California

91. Host Specificity Tests Reveals New Host of a Global Biological Control Agent Psyllaephagus bliteus (Hymenoptera: Encyrtidae)

Author:: Bush, S.J.; Slippers, B.; Dittrich-Schröder, G.; Hurley, B.P.
Source:: African entomology 2020 v.28 no.2 pp. 238-248
ISSN:: 1021-3589
Subject:: Aphalaridae; Eucalyptus; Glycaspis brimblecombei; Psyllaephagus; antennating; biological control agents; entomology; host range; host specificity; indigenous species; insect pests; nontarget organisms; oviposition; progeny; risk; testing; California; South Africa
Abstract:: ... Glycaspis brimblecombei (Hemiptera: Aphalaridae) is an invasive, sap-sucking eucalypt pest in various parts of the world. Psyllaephagus bliteus (Hymenoptera: Encyrtidae) was first released as a biological control agent against this pest in California in 2000. Since then, P. bliteus has been found with its insect pest host, with no intentional introduction, in various South American, European and N ...
DOI:: 10.4001/003.028.0238
: http://dx.doi.org/10.4001/003.028.0238

92. House finch (haemorhous mexicanus)–associated mycoplasma gallisepticum identified in lesser goldfinch (spinus psaltria) and western scrub jay (aphelocoma californica) using strain-specific quantitative pcr

Author:: Allen, Catherine R.; Mara, Arlind; Tulman, Edan R.; Ley, David H.; Geary, Steven J.
Source:: Journal of wildlife diseases 2018 v.54 no.1 pp. 180-185
ISSN:: 0090-3558
Subject:: Aphelocoma californica; Carpodacus mexicanus; Corvus brachyrhynchos; Mycoplasma gallisepticum; conjunctivitis; etiological agents; host range; hosts; quantitative polymerase chain reaction; random amplified polymorphic DNA technique; shrublands; wild birds; California
Abstract:: ... : In 1994 Mycoplasma gallisepticum was found to be the etiologic agent of House Finch (Haemorhous mexicanus) conjunctivitis, a rapidly expanding epidemic caused by a genetically discrete, House Finch–associated strain of M. gallisepticum (HFMG). While most prominent in House Finches, HFMG has been reported in other members of the family Fringillidae, including American Goldfinches (Spinus tristis) ...
DOI:: 10.7589/2017-04-079
: http://dx.doi.org/10.7589/2017-04-079

93. Identification and Frequency of Phytophthora Species Associated with Foliar Diseases in California Ornamental Nurseries

Author:: Yakabe, L.E.; Blomquist, C.L.; Thomas, S.L.; MacDonald, J.D.
Source:: Plant disease 2009 v.93 no.9 pp. 883-890
ISSN:: 0191-2917
Subject:: ornamental plants; host range; nursery crops; Phytophthora; fungal diseases of plants; host plants; polymerase chain reaction; internal transcribed spacers; enzyme-linked immunosorbent assay; pathogen identification; leaf spot; plant pathogenic fungi; plant nurseries; pathogenicity; foliar diseases; disease surveillance; California
Abstract:: ... Numerous ornamental nurseries in 32 California counties were surveyed for leaf spots as part of the California Department of Food and Agriculture mandated surveys targeting Phytophthora ramorum. Tissue collected during the 2005 and 2006 surveys was initially screened by a Phytophthora-specific enzyme-linked immunosorbent assay. All positives samples were further tested using polymerase chain react ...
DOI:: 10.1094/PDIS-93-9-0883
: http://dx.doi.org/10.1094/PDIS-93-9-0883

94. Insights into the potential host range of Phytophthora foliorum

Author:: Harris, Anna R.; Webber, Joan F.
Source:: Forest pathology 2019 v.49 no.6 pp. e12556
ISSN:: 1437-4781
Subject:: Chamaecyparis lawsoniana; Fagus sylvatica subsp. sylvatica; Larix decidua; Larix kaempferi; Phytophthora lateralis; Phytophthora ramorum; Rhododendron ponticum; agar; bark; host range; hosts; hybrids; invasive species; leaves; pathogens; surveys; temperature; trees; California; Scotland; Spain; Tennessee
Abstract:: ... During a survey for Phytophthora ramorum undertaken in north‐west Scotland in early 2016, Phytophthora foliorum was found infecting foliage of the invasive shrub Rhododendron ponticum. Prior to this, P. foliorum had only been reported from foliage of hybrid azaleas in nurseries in California and Tennessee and from azalea plants in an ornamental nursery in Spain. No other hosts were known, and much ...
DOI:: 10.1111/efp.12556
: http://dx.doi.org/10.1111/efp.12556

95. Interspecific and intraspecific differences in two Liriomyza leafminer species in California

Author:: Reitz, S.R.; Trumble, J.T.
Source:: Entomologia experimentalis et applicata 2002 v.102 no.2 pp. 101-113
ISSN:: 0013-8703
Subject:: assortative mating; interspecific variation; host range; Liriomyza trifolii; population; reproduction; geographical variation; host plants; plant pests; biotypes; Liriomyza huidobrensis; mating behavior; leafminers; mortality; California
Abstract:: ... In recent years, the pest status of Liriomyza trifolii (Burgess) and L. huidobrensis (Blanchard) (Diptera: Agromyzidae) has changed in California, as well as other areas of the world. In California, L. huidobrensis has become the predominant Liriomyza species in valleys along the central coast, while L. trifolii remains the predominant species in southern California. To investigate possible reason ...
DOI:: 10.1046/j.1570-7458.2002.00930.x
: http://dx.doi.org/10.1046/j.1570-7458.2002.00930.x

96. Laboratory and field evidence of post-release changes to the ecological host range of Diorhabda elongata: Has this improved biological control efficacy

Author:: Thomas, Hillary Q.; Zalom, Frank G.; Roush, Richard T.
Source:: Biological control 2010 v.53 no.3 pp. 353-359
ISSN:: 1049-9644
Subject:: Tamarix ramosissima; host range; weed control; oviposition; Diorhabda elongata; biological control agents; riparian forests; host plants; plant establishment; host specificity; woody weeds; field experimentation; invasive species; host preferences; imagos; insect rearing; choice feeding; biological control; California
Abstract:: ... A large-scale biological control program against saltcedars (Caryophyllales: Tamaricaceae) has been implemented in the western United States. Repeated releases of the biological control agent, Diorhabda elongata (Coleoptera: Chrysomelidae), have resulted in delayed establishment success in northern California. Evidence that the target weed species at northern California release sites is a lower ra ...
DOI:: 10.1016/j.biocontrol.2010.02.011
: http://dx.doi.org/10.1016/j.biocontrol.2010.02.011

97. Laboratory and Realized Host Ranges of Chaetorellia succinea (Diptera: Tephritidae), an Unintentionally Introduced Natural Enemy of Yellow Starthistle

Author:: Balciunas, J.K.; Villegas, B.
Source:: Environmental entomology 2007 v.36 no.4 pp. 849
ISSN:: 0046-225X
Subject:: Chaetorellia; host plants; host range; weed hosts; alternative hosts; Centaurea solstitialis; weed control; biological control agents; introduced species; risk assessment; nontarget organisms; Asteraceae; California; Oregon
Abstract:: ... In 1999, we reported our discovery, in California and Oregon, of Chaetorellia succinea (Costa) (Diptera: Tephritidae) destroying the seeds of yellow starthistle, Centaurea solstitialis L., one of the worst weeds in the western United States. This fly, an unintentional introduction from Greece, dispersed rapidly throughout California and the northwest, and there is interest in using this adventive ...
Handle:: 10113/7964
DOI:: 10.1603/0046-225X(2007)36[849:LARHRO]2.0.CO;2
PubMed:: 17716475
: http://dx.doi.org/10.1603/0046-225X(2007)36%5B849:LARHRO%5D2.0.CO;2

98. Laboratory Host Range of Parafreutreta regalis (Diptera: Tephritidae), a Candidate Agent for Biological Control of Cape-Ivy

Author:: Balciunas, Joe; Mehelis, Chris; Van Der Westhuizen, Liamé; Neser, Stefan
Source:: Environmental entomology 2010 v.39 no.3 pp. 841
ISSN:: 0046-225X
Subject:: weeds; Delairea odorata; weed control; biological control; biological control agents; Tephritidae; insect ecology; host range; host preferences; parasitism; galls; host-parasite relationships; inhibitors; plant growth; height; risk assessment; nontarget organisms; South Africa; California
Abstract:: ... Cape-ivy (Delairea odorata Lamaire) is an ornamental vine that has escaped into natural areas in many countries and become a serious pest. It is native to the eastern part of South Africa, and surveys there located several potential biological control agents for this weed. One of these is Parafreutreta regalis Munro, a tephritid fly that causes large galls to form on the stems of the vine. In a co ...
Handle:: 10113/43441
DOI:: 10.1603/EN08220
PubMed:: 20550797
: http://dx.doi.org/10.1603/EN08220

99. Lack of evidence for reproductive isolation among ecologically specialised lycaenid butterflies

Author:: Nice, C.C.; Fordyce, J.A.; Shapiro, A.M.; Ffrench-Constant, R.
Source:: Ecological entomology 2002 v.27 no.6 pp. 702-712
ISSN:: 0307-6946
Subject:: male genitalia; interspecific variation; host range; oviposition; haplotypes; mitochondrial DNA; host plants; Lycaenidae; phylogeny; gene flow; cytochrome-c oxidase; gene frequency; genetic variation; allozymes; population; Nevada; California
Abstract:: ... 1. The evolution of reproductive isolation between recently diverged or incipient species is a critical component of speciation and a major focus of speciation models. In phytophagous insects, host plant fidelity (the habit of mating and ovipositing on a single host species) can contribute to assortative mating and reproductive isolation between populations adapting to alternative hosts. The poten ...
DOI:: 10.1046/j.1365-2311.2002.00458.x
: http://dx.doi.org/10.1046/j.1365-2311.2002.00458.x

100. Leaf Scorch of Purple-Leafed Plum and Sweetgum Dieback: Two New Diseases in Southern California Caused by Xylella fastidiosa Strains with Different Host Ranges

Author:: Hernandez-Martinez, R.; Cooksey, D.A.; Wong, F.P.
Source:: Plant disease 2009 v.93 no.11 pp. 1131-1138
ISSN:: 0191-2917
Subject:: Liquidambar styraciflua; Prunus cerasifera; ornamental trees; nursery crops; Xylella fastidiosa; bacterial diseases of plants; signs and symptoms (plants); strain differences; host range; host plants; enzyme-linked immunosorbent assay; pathogenicity; California
Abstract:: ... Sweetgum dieback and leaf scorch of purple-leafed plum are two new diseases of southern California landscape ornamentals. Samplings were conducted in 2003 and 2004 and 28 of 105 sweetgum (Liquidambar styraciflua) and 38 of 62 purple-leafed plum (Prunus cerasifera) plants tested positive for Xylella fastidiosa by enzyme linked immunosorbent assay. In all, 3 strains of X. fastidiosa were isolated fr ...
DOI:: 10.1094/PDIS-93-11-1131
: http://dx.doi.org/10.1094/PDIS-93-11-1131

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1. A blight disease of dill in California caused by Itersonilia perplexans

2. A Microsatellite Analysis Used to Identify Global Pathways of Movement of Phytophthora cinnamomi and the Likely Sources of Wildland Infestations in California and Mexico

3. A new bipartite geminivirus (Begomovirus) causing leaf curl and crumpling in cucurbits in the Imperial Valley of California

4. A new leaf blotch disease of Sudangrass caused by Pantoea ananas and Pantoea stewartii

5. An Experimental Test of the Host-Plant Range of Nonrecombinant Strains of North American Xylella fastidiosa subsp. multiplex

6. An Integrated Badnavirus Is Prevalent in Fig Germplasm

7. An Outbreak of a Necrosis Disease of Tomato in California in 2008 was Caused by a New Ilarvirus Species Related to Parietaria mottle virus

8. A PCR-based technique for identification of Fusicoccum sp. from pistachio and various other hosts in California

9. A re-examination of Ceratocystis canker in California almond orchards

10. Arthropod Vectors and Vector-Borne Bacterial Pathogens in Yosemite National Park

11. A six locus phylogeny reveals high species diversity in Botryosphaeriaceae from California almond

12. Assessment of risk to native Frankenia shrubs from an Asian leaf beetle, Diorhabda elongata deserticola (Coleoptera: Chrysomelidae), introduced for biological control of saltcedars (Tamarix spp.) in the western United States

13. Association of the pitch canker pathogen Fusarium circinatum with grass hosts in commercial pine production areas of South Africa

14. Bacterial blight of broccoli raab: a new disease caused by a pathovar of Pseudomonas syringae

15. Bioassay Conditions for Infection of Pinus radiata Seedlings with Phytophthora pinifolia Zoospores

16. Biological characterization and complete genomic sequence of Apium virus Y infecting celery

17. Biological constraints on host-range expansion by the wood-boring beetle Phoracantha semipunctata (Coleoptera: Cerambycidae)

18. Biology and Molecular Characterization of Cucurbit leaf crumple virus, an Emergent Cucurbit-Infecting Begomovirus in the Imperial Valley of California

19. Biology and parasitism rates of Pteromalus nr. myopitae (Hymenoptera: Pteromalidae), a newly discovered parasitoid of olive fruit fly Bactrocera oleae (Diptera: Tephritidae) in coastal California

20. Black Root Rot Caused by Thielaviopsis basicola on Lettuce in California

21. Causal role of Xylella fastidiosa in oleander leaf scorch disease

22. Characterization and control of garlic rust in California

23. Characterization of distinct tombusviruses that cause diseases of lettuce and tomato in the western United States

24. Characterization of powdery mildew caused by Leveillula taurica on calla lilly in California

25. Characterization of White Rust of Perennial Pepperweed Caused by Albugo candida in California

26. Chemical Management of Invasive Shot Hole Borer and Fusarium Dieback in California Sycamore (Platanus racemosa) in Southern California

27. Climate change and wildlife diseases: When does the host matter the most?

28. Comparison of Salmonella enterica subspecies enterica serovar Typhimurium isolates from dairy cattle and humans using in vitro assays of virulence

29. Competitive Exclusion of Aphytis lingnanensis by A. melinus: Potential Role of Host Size

30. Complete development on Elodea canadensis (Hydrocharitaceae) eliminates Hydrellia egeriae (Diptera, Ephydridae) as a candidate biological control agent of Egeria densa (Hydrocharitaceae) in the U.S.A.

31. Curly top virus in California: review, current management practices and future directions

32. Description, biology, and karyotype of a new Psilochalcis Kieffer (Hymenoptera: Chalcididae) from indianmeal moth pupae (Lepidoptera: Pyralidae) associated with culled figs

33. Distribution and known host records for Planchonia stentae (Hemiptera: Coccoidea: Asterolecaniidae)

34. Distribution and properties of geographically distinct isolates of sugar beet yellowing viruses

35. Downy Mildew Caused by Bremia lactucae on Strawflower (Helichrysum bracteatum) in California

36. Dual-pathogen etiology of avian trichomonosis in a declining band-tailed pigeon population

37. Ecological and epidemiological factors affecting carrot motley dwarf development in carrots grown in the Salina Valley, of California

38. Ecology of coliphages in southern California coastal waters

39. Epidemiology and control of emerging criniviruses in bean

40. Epidemiology of Diseases Caused by Xylella fastidiosa in California: Evaluation of Alfalfa as a Source of Vectors and Inocula

41. Establishment of an emerging generalist pathogen in redwood forest communities

42. Etiology and host range of a Closterovirus associated with plum bark necrosis-stem pitting disease

43. Eutypa dieback of sweet cherry and occurrence of Eutypa lata perithecia in the Central Valley of California

44. Evaluation of Beauveria bassiana for Management of Citrus Thrips (Thysanoptera: Thripidae) in California Blueberries

45. Evaluation of Fopius arisanus as a biological control agent for the olive fruit fly in California

46. Evaluation of trunk-injected emamectin benzoate as a potential management strategy for Kuroshio shot hole borer in avocado trees

47. First occurrence of white rust of Arugula, caused by Albugo candida

48. First Report of Apium virus Y on Cilantro, Celery, and Parsley in California

49. First Report of a Rust Disease Caused by Uromyces sp. on Suaeda californica in California

50. First Report of Bacterial Blight of Cabbage (Brassica oleracea var. capitata) Caused by Pseudomonas cannabina pv. alisalensis in California

51. First report of bacterial leaf spot of spinach caused by a Pseudomonas syringae pathovar in California

52. First Report of Bacterial Streak of Fennel (Foeniculum vulgare) in California Caused by Pseudomonas syringae pv. apii

53. First Report of Beet necrotic yellow vein virus Infecting Spinach in California

54. First Report of Beet western yellows virus Infecting Epiphyllum spp

55. First Report of Cylindrocarpon liriodendri Causing Black Foot Disease of Grapevine in California

56. First Report of Dactylonectria torresensis Causing Foot and Root Rot of Olive Trees

57. First Report of Foliar Infection of Maianthemum racemosum by Phytophthora ramorum

58. First report of foliar infection of Rosa gymnocarpa by Phytophthora ramorum

59. First Report of Golovinomyces monardae Causing Powdery Mildew on Spearmint in New Jersey

60. First Report of Grass Species (Poaceae) as Naturally Occurring Hosts of the Pine Pathogen Gibberella circinata

61. First Report of Nemesia ring necrosis virus in North America in Ornamental Plants from California

62. First Report of Phytophthora ramorum Infecting California Red Fir in California

63. First Report of Plum Bark Necrosis Stem Pitting-Associated Virus in Sweet Cherry in Spain

64. First report of powdery mildew caused by Erysiphe heraclei on chervil in California

65. First Report of Powdery Mildew Caused by Podosphaera euphorbiae-hirtae on Euphorbia tithymaloides in California

66. First Report of Powdery Mildew on Peppermint (Mentha piperita) Caused by Golovinomyces biocellatus in Spain

67. First Report of Pseudomonas viridiflava as the Causal Agent of Bacterial Leaf Spot of Mexican Heather in California

68. First Report of Raspberry bushy dwarf virus in Rubus multibracteatus from China

69. First report of rust caused by Puccinia allii on wild garlic in California

70. First Report of the European Lineage of Phytophthora ramorum on Viburnum and Osmanthus spp. in a California Nursery