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You searched for: Publication Year 2009 Remove constraint Publication Year: 2009 Subject cultivars Remove constraint Subject: cultivars Text Availability Full Text Remove constraint Text Availability: Full Text
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1. 'Valley Red' Strawberry

Author:
Finn, Chad E.; Moore, Patrick P.; Kempler, Chaim; Yorgey, Brian M.; Strik, Bernadine C.; Martin, Robert R.
Source:
HortScience 2009 v.44 no.5 pp. 1468-1471
ISSN:
0018-5345
Subject:
total soluble solids; crop yield; food composition; strawberries; fruit quality; titratable acidity; cultivar identification; organic production; harvest date; weight; cultivars; research projects; firmness; photoperiod; USDA; germplasm releases; Fragaria ananassa; genetic variation; color; chemical constituents of plants; pedigree; Oregon; British Columbia
Abstract:
... 'Valley Red' is a new June-bearing (short day) strawberry cultivar from the U.S. Department of Agriculture-Agricultural Research Service breeding programme in Corvallis, Oregon, released in cooperation with the Oregon Agricultural Experiment Station, The Washington State University Agricultural Research Centre, and Agriculture and Agri-Foods Canada. 'Valley Red' was selected in 1996 from the cross ...
Handle:
10113/35445

2. AFLP Discrimination of Native North American and Cultivated Hop

Author:
M. Shaun Townsend; John A. Henning
Source:
Crop science 2009 v.49 no.2 pp. 600-607
ISSN:
0011-183X
Subject:
Humulus lupulus; hops; plant breeding; brewing; agricultural history; plant genetic resources; artificial selection; geographical variation; germplasm; genetic markers; genetic variation; amplified fragment length polymorphism; domestication; cultivars; wild plants
Abstract:
... Hop (Humulus lupulus L.) is cultivated for the female flowers, or “cones,” which traditionally have been used as a bittering and flavoring agent in beer. Hop breeding historically relied on relatively simple selection techniques within established breeding lines. Supplementing current breeding material with new genetic sources would enhance a hop breeder's ability to select for new traits. The obj ...
Handle:
10113/29902
DOI:
10.2135/cropsci2008.03.0182

3. ASAS Centennial Paper: Future needs of research and extension in forage utilization

Author:
Rouquette, F.M. Jr.; Redmon, L.A.; Aiken, G.E.; Hill, G.M.; Sollenberger, L.E.; Andrae, J.
Source:
Journal of animal science 2009 v.87 no.1 pp. 438-446
ISSN:
0021-8812
Subject:
grazing; extension education; animal husbandry; livestock production; pastures; soil fertility; agricultural education; animal performance; nutrient management; agroecosystems; cultivars; agricultural research; energy use and consumption; livestock; climate change; Land Grant universities; research support; questionnaires; forage crops; nutritive value; environmental impact; Eastern United States
Abstract:
... Forage-animal production agriculture is implementing infrastructure changes and management strategies to adjust to increased energy-related costs of fuel, feed grains, fertilizers, and seeds. The primary objectives of this position paper are to assess future research and extension scientific needs in forage utilization, financial support for the discipline, and changing status and number of scient ...
Handle:
10113/26904
DOI:
10.2527/jas.2008-1273
PubMed:
18820155

4. Accumulation of Chiro-inositol and Other Non-structural Carbohydrates in Limonium Species in Response to Saline Irrigation Waters

Author:
Liu, Xuan; Grieve, Catherine
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.3 pp. 329-336
ISSN:
0003-1062
Subject:
glucose; Limonium sinuatum; nutrient uptake; starch; halophytes; saline water; fructose; leaves; cultivars; nutrient transport; quantitative analysis; sucrose; myo-inositol; phloem; salt stress; salt tolerance; irrigation water; salinity; genetic variation; chemical constituents of plants; California
Abstract:
... Two statice cultivars, Limonium perezii cv. Blue Seas and L. sinuatum cv. American Beauty, were grown in greenhouse sand tanks to determine the effect of salt stress on carbohydrate accumulation and partitioning. For the first experiment, irrigation waters were prepared to simulate typical saline-sodic drainage effluent in the San Joaquin Valley of California with electrical conductivities of 2.5, ...
Handle:
10113/33961

5. Addressing the Dilemmas of Measuring Amylose in Rice [Erratum: 2009 Nov-Dec, v. 86, no. 6, p. 714.]

Author:
Fitzgerald, Melissa A.; Bergman, Christine J.; Resurreccion, Adoracion P.; Moller, Jurgen; Jimenez, Rosario; Reinke, Russell F.; Martin, Margrit; Blanco, Pedro; Molina, Federico; Chen, Ming-Hsuan; Kuri, Victoria; Romero, Marissa V.; Habibi, Fatemeh; Umemoto, Takayuki; Jongdee, Supanee; Graterol, Eduardo
Source:
Cereal chemistry 2009 v.86 no.5 pp. 492-498
ISSN:
0009-0352
Subject:
cultivars; rice; amylose; laboratory techniques; Oryza sativa; carbohydrate content; accuracy; food composition; repeatability; measurement; precision; cooking quality; iodine
Abstract:
... Amylose content is a parameter that correlates with the cooking behavior of rice. It is measured at the earliest possible stages of rice improvement programs to enable breeders to build the foundations of appropriate grain quality during cultivar development. Amylose is usually quantified by absorbance of the amylose-iodine complex. The International Network for Quality Rice (INQR) conducted a sur ...
Handle:
10113/37649
DOI:
10.1094/CCHEM-86-5-0492

6. Adoption of Moringa oleifera to Combat Under-Nutrition Viewed Through the Lens of the “Diffusion of Innovations” Theory

Author:
Thurber, Melanie D.; Fahey, Jed W.
Source:
Ecology of food and nutrition 2009 v.48 no.3 pp. 212-225
ISSN:
0367-0244
Subject:
Moringa oleifera; cultivars; trees; tropics; dietary supplements; health foods; crude protein; leaves; plant extracts; nutritive value; high protein diet; kwashiorkor; medicinal plants; nutritional intervention
Abstract:
... Moringa oleifera, an edible tree found worldwide in the dry tropics, is increasingly being used for nutritional supplementation. Its nutrient-dense leaves are high in protein quality, leading to its widespread use by doctors, healers, nutritionists and community leaders, to treat under-nutrition and a variety of illnesses. Despite the fact that no rigorous clinical trial has tested its efficacy fo ...
DOI:
10.1080/03670240902794598
PubMed:
20161339
PubMed Central:
PMC2679503

7. Advanced backcross-QTL analysis in spring barley (H. vulgare ssp. spontaneum) comparing a REML versus a Bayesian model in multi-environmental field trials

Author:
Bauer, Andrea Michaela; Hoti, F.; von Korff, M.; Pillen, K.; Léon, J.; Sillanpää, M. J.
Source:
Theoretical and applied genetics 2009 v.119 no.1 pp. 105-123
ISSN:
0040-5752
Subject:
agronomic traits; cultivars; field experimentation; genes; grain yield; heading; microsatellite repeats; models; quantitative trait loci; quantitative traits; spring barley; Israel
Abstract:
... A common difficulty in mapping quantitative trait loci (QTLs) is that QTL effects may show environment specificity and thus differ across environments. Furthermore, quantitative traits are likely to be influenced by multiple QTLs or genes having different effect sizes. There is currently a need for efficient mapping strategies to account for both multiple QTLs and marker-by-environment interaction ...
DOI:
10.1007/s00122-009-1021-6
PubMed:
19363603
PubMed Central:
PMC2755740

8. Aggressiveness of Streptomyces on Four Potato Cultivars and Implications for Common Scab Resistance Breeding

Author:
Wanner, Leslie A.; Haynes, Kathleen G.
Source:
American journal of potato research 2009 v.86 no.5 pp. 335-346
ISSN:
1099-209X
Subject:
Solanum tuberosum; potatoes; Streptomyces; scab diseases; virulence; cultivars; genetic resistance; disease resistance; plant genetic resources; genetic variation; plant breeding; geographical variation; host plants; microbial genetics; signs and symptoms (plants); phenotype
Abstract:
... Common scab (CS), caused by several species of Streptomyces, is a serious problem for potato growers. Although the mechanism of pathogenicity, based on the phytotoxin thaxtomin, is presumably conserved in all pathogenic species, Streptomyces isolates vary in aggressiveness, and regional patterns in Streptomyces species distribution have recently emerged. We demonstrate that Streptomyces isolates d ...
Handle:
10113/41607
DOI:
10.1007/s12230-009-9088-9

9. Agrobacterium-Mediated Transient Gene Expression and Silencing: A Rapid Tool for Functional Gene Assay in Potato

Author:
Bhaskar, Pudota B.; Venkateshwaran, Muthusubramanian; Wu, Lei; Ané, Jean-Michel; Jiang, Jiming
Source:
PloS one 2009 v.4 no.6 pp. -
ISSN:
1932-6203
Subject:
genetic transformation; gene transfer; cultivars; leaf blight; Agrobacterium radiobacter; Solanum tuberosum; Phytophthora infestans; gene silencing; gene expression; potatoes; genes; disease resistance; genotype; leaves
Abstract:
... Potato is the third most important food crop worldwide. However, genetic and genomic research of potato has lagged behind other major crops due to the autopolyploidy and highly heterozygous nature associated with the potato genome. Reliable and technically undemanding techniques are not available for functional gene assays in potato. Here we report the development of a transient gene expression an ...
DOI:
10.1371/journal.pone.0005812
PubMed:
19503835
PubMed Central:
PMC2686102

10. Agronomic performance of soybean hybrids from single, three-way, four-way, and five-way crosses, and backcross populations

Author:
Perez, Paola T.; Cianzio, Silvia R.; Ortiz-Perez, Evelyn; Palmer, Reid G.
Source:
Journal of crop improvement 2009 v.23 no.2 pp. 95-118
ISSN:
1542-7528
Subject:
backcrossing; heterosis; Glycine max; androecium; hybrids; cultivars; genetic improvement; soybeans; plant fertility; agronomic traits; crop yield; progeny testing; genetic variation; insect pollination; cross pollination; Indiana; Iowa
Abstract:
... Male-sterility systems combined with insect-mediated cross-pollination in soybean [Glycine max (L.) Merr.] have been shown to produce large quantities of hybrid seed, which can be useful for studying heterosis and agronomic performance in different population types. The procedure was used to obtain large quantities of hybrid seed for replicated yield trials. The objective of our study was to evalu ...
Handle:
10113/31398
DOI:
10.1080/15427520802671677

11. Ampelographic and DNA characterization of local grapevine accessions of the Tuscia area (Latium, Italy)

Author:
Muganu, Massimo; Dangl, Gerald; Aradhya, Malli; Frediani, Manuela; Scossa, Angela; Stover, Ed
Source:
American journal of enology and viticulture 2009 v.60 no.1 pp. 110-115
ISSN:
0002-9254
Subject:
Vitis vinifera; grapes; germplasm evaluation; cultivars; genetic variation; DNA fingerprinting; microsatellite repeats; genetic markers; leaves; plant morphology; germplasm conservation; Italy
Abstract:
... The presence of local vines in the Tuscia area (Latium region, Italy) was documented by historical sources. Ampelographic and molecular characterization (35 morphological descriptors and 16 microsatellite loci) was carried out on accessions belonging to the most frequently mentioned local vines. SSR markers have enabled us to distinguish cases of local synonymy and microsatellite profiles have per ...
Handle:
10113/32581

12. Analysis of Gene Expression Profiles in Leaf Tissues of Cultivated Peanuts and Development of EST-SSR Markers and Gene Discovery

Author:
Guo Baozhu; Chen Xiaoping; Hong Yanbin; Liang Xuanqiang; Dang Phat; Brenneman Tim; Holbrook Corley; Culbreath Albert; National High Technology Research and Development Program of China; Science Foundation of Guangdong province
Source:
International journal of plant genomics 2009 v.2009 pp. -
ISSN:
1687-5370
Subject:
cultivars; microsatellite repeats; blight; alleles; Mycosphaerella arachidis; oxalate oxidase; peanuts; Mycosphaerella berkeleyi; expressed sequence tags; Sclerotinia minor; mutation; leaf spot; genetic databases; stem rot; tissues; foliar diseases; Athelia rolfsii; Tomato spotted wilt orthotospovirus; leaves
Abstract:
... Peanut is vulnerable to a range of foliar diseases such as spotted wilt caused by Tomato spotted wilt virus (TSWV), early (Cercospora arachidicola) and late (Cercosporidium personatum) leaf spots, southern stem rot (Sclerotium rolfsii), and sclerotinia blight (Sclerotinia minor). In this study, we report the generation of 17,376 peanut expressed sequence tags (ESTs) from leaf tissues of a peanut c ...
DOI:
10.1155/2009/715605
PubMed:
19584933
PubMed Central:
PMC2703745

13. Analysis of gene-derived SNP marker polymorphism in US wheat (Triticum aestivum L.) cultivars

Author:
Chao, Shiaoman; Zhang, Wenjun; Akhunov, Eduard; Sherman, Jamie; Ma, Yaqin; Luo, Ming-Cheng; Dubcovsky, Jorge
Source:
Molecular breeding 2009 v.23 no.1 pp. 23-33
ISSN:
1380-3743
Subject:
Triticum aestivum; wheat; cultivars; genetic markers; single nucleotide polymorphism; United States
Abstract:
... In this study, we developed 359 detection primers for single nucleotide polymorphisms (SNPs) previously discovered within intron sequences of wheat genes and used them to evaluate SNP polymorphism in common wheat (Triticum aestivum L.). These SNPs showed an average polymorphism information content (PIC) of 0.18 among 20 US elite wheat cultivars, representing seven market classes. This value increa ...
Handle:
10113/22583
DOI:
10.1007/s11032-008-9210-6

14. Analysis of the 'A72' Peach Tree Growth Habit and Its Inheritance in Progeny Obtained from Crosses of 'A72' with Columnar Peach Trees

Author:
Hu, Dongyan; Scorza, Ralph
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.2 pp. 236-243
ISSN:
0003-1062
Subject:
tree growth; cultivars; plant breeding; flowering; peaches; plant architecture; pleiotropy; branching; phenology; Prunus persica; genotype; gene segregation; branches; incomplete dominance
Abstract:
... Since the first report of the 'A72' semidwarf peach [Prunus persica (L.) Batsch] tree in 1975, no new information has become available on this genotype. We evaluated the growth habit and verified the inheritance of 'A72' in a population of 220 progeny derived from self-pollination. Detailed tree and branch measurements revealed a unique forked-branch (FBR) character of the 'A72' (Nn) phenotype. Th ...
Handle:
10113/32626

15. Analysis of the Accumulation of Pea enation mosaic virus Genomes in Seed Tissues and Lack of Evidence for Seed Transmission in Pea (Pisum sativum)

Author:
Timmerman-Vaughan, Gail; Larsen, Richard; Murray, Sarah; McPhee, Kevin; Coyne, Clarice
Source:
Phytopathology 2009 v.99 no.11 pp. 1281-1288
ISSN:
0031-949X
Subject:
Pisum sativum; peas; Pea enation mosaic virus-1; Pea enation mosaic virus-2; plant diseases and disorders; genome; microbial genetics; detection; disease transmission; seed pathology; cultivars; signs and symptoms (plants); field experimentation; embryo (plant); leaves; reverse transcriptase polymerase chain reaction
Abstract:
... Pea enation mosaic virus (PEMV) is an important virus disease of pea. International movement of commercial pea cultivars and germplasm can be problematic due to uncertainty about seed transmission of the viruses responsible for the disease. Whether PEMV is seedborne was assessed by collecting developing seed from infected plants and determining the relative concentrations of the PEMV-1 and PEMV-2 ...
Handle:
10113/37233
DOI:
10.1094/PHYTO-99-11-1281
PubMed:
19821732

16. Animal and Pasture Productivity of ‘Coastal’ and ‘Tifton 44’ Bermudagrass at Three Nitrogen Rates and Associated Soil Nitrogen Status

Author:
J. C. Burns; M. G. Wagger; D. S. Fisher
Source:
Agronomy journal 2009 v.101 no.1 pp. 32-40
ISSN:
0002-1962
Subject:
Cynodon dactylon; forage grasses; forage crops; cultivars; pastures; crop yield; plant growth; grazing; soil fertility; nitrogen fertilizers; fertilizer rates; canopy; leaf area; in vitro digestibility; crude protein; neutral detergent fiber; beef cattle; steers; liveweight gain; soil depth; nutritive value; North Carolina
Abstract:
... ‘Coastal’ and ‘Tifton 44’ (T44) bermudagrass [Cynodon dactylon (L.) Pers.] are well adapted across the lower southern United States, but the grazing response of (T44) to N application in the Piedmont of the upper South warrants further evaluation. This 3-yr experiment compared animal and pasture productivity of Coastal and T44 with three annual N rates of 101, 202, and 303 kg of N ha⁻¹ on a Cecil ...
Handle:
10113/26827
DOI:
10.2134/agronj2008.0006x

17. Anthocyanin Regulatory/Structural Gene Expression in Phalaenopsis

Author:
Ma, Hongmei; Pooler, Margaret; Griesbach, Robert
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.1 pp. 88-96
ISSN:
0003-1062
Subject:
anthocyanins; interspecific variation; cultivars; messenger RNA; regulatory sequences; phenotype; biolistics; corolla; reverse transcriptase polymerase chain reaction; biochemical pathways; gene expression; amino acid sequences; oxidoreductases; genotype; color; Phalaenopsis; major genes; gene expression regulation; calyx
Abstract:
... Anthocyanin biosynthesis requires the coordinated expression of Myc, Wd, Chs, Dfr, and Myb. Chs and Dfr are structural genes, while Myc, Myb, and Wd are regulatory genes. Reverse transcription polymerase chain reaction was used to measure the expression of these genes in Phalaenopsis amabilis and Phalaenopsis schilleriana. P. amabilis expresses an albescent phenotype with petals and sepals that ar ...
Handle:
10113/28169

18. Antioxidizing Enzyme Activities in Chilling-sensitive and Chilling-tolerant Pepper Fruit as Affected by Stage of Ripeness and Storage Temperature

Author:
Lim, Chae Shin; Kang, Seong Mo; Cho, Jeoung Lai; Gross, Kenneth C.
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.1 pp. 156-163
ISSN:
0003-1062
Subject:
Capsicum annuum; sweet peppers; chilling injury; cultivars; postharvest injuries; ripening; harvest date; storage temperature; ethylene production; temporal variation; membrane permeability; beta-carotene; lycopene; superoxide dismutase; catalase; enzyme activity
Abstract:
... To study ripening-related chilling injury in pepper (Capsicum annuum L.), chilling-tolerant 'Buchon' and chilling-sensitive 'Nockgwang' fruit were harvested at mature green (MG), breaker (BR), and red-ripe (RR) stages and stored at 1, 5, and 10 °C for 21 d. 'Buchon' did not show surface pitting (SP) regardless of ripeness stage and storage temperature, whereas 'Nockgwang' at MG and BR exhibited SP ...
Handle:
10113/28167

19. Artificial introgression of a large chromosome fragment around the rice blast resistance gene Pi-ta in backcross progeny and several elite rice cultivars [Erratum: 2009 Oct., v. 103, issue 4, p. 355-356.]

Author:
Jia, Y.
Source:
Heredity 2009 v.103 no.4 pp. 333–339
ISSN:
0018-067X
Subject:
Oryza sativa; rice; cultivars; backcrossing; plant breeding; progeny; introgression; genes; disease resistance; blast disease; Magnaporthe; genotype; genetic markers; microsatellite repeats; chromosomes; landraces
Abstract:
... Studying the size of genomic introgressions should lead to a better understanding of linkage disequilibrium in crop breeding. In this study, progeny of the cross between a tropical japonica rice cultivar Katy containing the rice blast resistance gene Pi-ta and a temperate japonica cultivar M202 (Pi-ta) were inoculated with the race IB49 of Magnaporthe oryzae that recognizes Pi-ta. The resistant pr ...
Handle:
10113/38714
DOI:
10.1038/hdy.2009.95

20. Assessing genetic diversity in Gossypium arboreum L. cultivars using genomic and EST-derived microsatellites

Author:
Kantartzi, Stella K.; Ulloa, Mauricio; Sacks, Erik; Stewart, James McD.
Source:
Genetica 2009 v.136 no.1 pp. 141-147
ISSN:
0016-6707
Subject:
Gossypium arboreum; cotton; cultivars; plant taxonomy; genetic variation; genomics; expressed sequence tags; microsatellite repeats; phylogeny
Abstract:
... The cultivated diploid, Gossypium arboreum L., (A genome) is an invaluable genetic resource for improving modern tetraploid cotton (G. hirsutum L. and G. barbadense L.) cultivars. The objective of this research is to select a set of informative and robust microsatellites for studying genetic relationships among accessions of geographically diverse G. arboreum cultivars. From more than 1,500 previo ...
Handle:
10113/30489
DOI:
10.1007/s10709-008-9327-x
PubMed:
18853261

21. Association analysis reveals effects of wheat glutenin alleles and rye translocations on dough-mixing properties

Author:
Zheng, Shusong; Byrne, Patrick F.; Bai, Guihua; Shan, Xueyan; Reid, Scott D.; Haley, Scott D.; Seabourn, Bradford W.
Source:
Journal of cereal science 2009 v.50 no.2 pp. 283-290
ISSN:
0733-5210
Subject:
Triticum aestivum; wheat; Secale cereale; rye; translocation lines; intergeneric hybridization; chromosome translocation; cultivars; glutenins; alleles; loci; chromosome mapping; genetic markers; microsatellite repeats; bread dough; rheological properties; mixing; breadmaking quality
Abstract:
... The glutenin loci of wheat (Triticum aestivum L.) are important determinants of bread-making quality, although the effects of alleles at those loci are incompletely understood. We applied an association analysis method to assess the effects of glutenin alleles and 1RS wheat-rye (Secale cereale L.) translocations on dough-mixing properties in 96 wheat cultivars and advanced lines grown at three Col ...
Handle:
10113/34376
DOI:
10.1016/j.jcs.2009.06.008

22. Association mapping of stigma and spikelet characteristics in rice (Oryza sativa L.)

Author:
Yan, Wen Gui; Li, Yong; Agrama, Hesham A.; Luo, Dagang; Gao, Fangyuan; Lu, Xianjun; Ren, Guangjun
Source:
Molecular breeding 2009 v.24 no.3 pp. 277-292
ISSN:
1380-3743
Subject:
Oryza sativa; breeding; cultivars; genetic distance; genetic markers; hybrids; inflorescences; microsatellite repeats; models; rice; stigma
Abstract:
... Stigma and spikelet characteristics play an essential role in hybrid seed production. A mini-core of 90 accessions developed from USDA rice core collection was phenotyped in field grown for nine traits of stigma and spikelet and genotyped with 109 DNA markers, 108 SSRs plus an indel. Three major clusters were built upon Rogers' genetic distance, indicative of indicas, and temperate and tropical ja ...
DOI:
10.1007/s11032-009-9290-y
PubMed:
20234878
PubMed Central:
PMC2837221

23. Bacterial antagonists, zoospore inoculum retention time and potato cultivar influence pink rot disease development

Author:
Schisler, David A.; Slininger, Patricia J.; Miller, Jeff S.; Woodell, Lynn K.; Clayson, Shane; Olsen, Nora
Source:
American journal of potato research 2009 v.86 no.2 pp. 102-111
ISSN:
1099-209X
Subject:
zoospores; fungal antagonists; cultivars; Pseudomonas fluorescens; Solanum tuberosum; disease control; plant rots; microbial colonization; disease severity; potatoes; plant pathogenic fungi; Phytophthora erythroseptica; bioassays; spore germination; Enterobacter cloacae; culture media; disease course
Abstract:
... Zoospores or germinating encysted zoospores of the pathogen Phytophthora erythroseptica can cause new infections via tuber eyes, lenticels and cracks and cuts that result from tuber harvesting operations; infection courts that theoretically could be protected using microbial antagonists. Ten microbial antagonists that reduce Fusarium dry rot, late blight and/or sprouting in storage were assayed fo ...
Handle:
10113/30867
DOI:
10.1007/s12230-008-9066-7

24. Biology of barley shoot fly Delia flavibasis Stein (Diptera: Anthomyiidae) on resistant and susceptible barley cultivars

Author:
Goftishu, Muluken; Tefera, Tadele; Getu, Emana
Source:
Journal of pest science 2009 v.82 no.1 pp. 67-71
ISSN:
1612-4758
Subject:
Delia; Hordeum vulgare; adults; barley; cultivars; eggs; females; insects; larvae; longevity; males; pupae; rearing; sex ratio; Ethiopia
Abstract:
... The biology of barley shoot fly Delia flavibasis was studied using resistant (Dinsho and Harbu) and susceptible (Holker) barley cultivars at Sinana Agricultural Research Center, Ethiopia. A higher number of eggs was laid on Holker (17 eggs/female) than on Dinsho (11 eggs/female) or Harbu (12 eggs/female). However, there were no differences between cultivars in preoviposition and total reproductive ...
DOI:
10.1007/s10340-008-0222-0
PubMed:
21151718
PubMed Central:
PMC2987228

25. Blueberry microsatellite markers identify cranberry cultivars

Author:
Bassil, N.; Oda, A.; Hummer, K.E.
Source:
Acta horticulturae 2009 v. no.810 pp. 181-186
ISSN:
0567-7572
Subject:
Vaccinium macrocarpon; cranberries; microsatellite repeats; cultivars; cultivar identification; Vaccinium corymbosum; blueberries
Abstract:
... Throughout the more than 100 years of cranberry, Vaccinium macrocarpon Ait., cultivation, the confirmation of genotype identity through morphological means has had inherent difficulties. The cranberry growth habit, where seedlings can grow in the middle of a clonal colony and the practice of taking clippings from old fields to establish new ones can destroy trueness-to-type. Previously, we success ...
Handle:
naldc:29325

26. Broad-Spectrum Resistance to Crown Rust, Puccinia coronata f. sp. avenae, in Accessions of the Tetraploid Slender Oat, Avena barbata

Author:
Carson, M.L.
Source:
Plant disease 2009 v.93 no.4 pp. 363-366
ISSN:
0191-2917
Subject:
Avena sativa; oats; Avena barbata; wild relatives; plant genetic resources; Puccinia coronata; rust diseases; disease resistance; genetic resistance; disease control; cultivars; virulence; introgression; polyploidy; chromosomes
Abstract:
... The use of race-specific seedling genes for resistance has been the primary means of controlling crown rust of oat (Puccinia coronata). As resistance genes from hexaploid cultivated oat, Avena sativa and, later, the wild hexaploid animated oat, A. sterilis, were deployed in oat cultivars, corresponding virulence in the crown rust population increased rapidly, such that the effective lifespan of a ...
Handle:
10113/32297
DOI:
10.1094/PDIS-93-4-0363

27. Changes in Genetic Diversity of U.S. Flue-Cured Tobacco Germplasm over Seven Decades of Cultivar Development

Author:
H.S. Moon; J.S. Nicholson; A. Heineman; K. Lion; R. van der Hoeven; A.J. Hayes; R.S. Lewis
Source:
Crop science 2009 v.49 no.2 pp. 498-508
ISSN:
0011-183X
Subject:
Nicotiana tabacum; flue-cured tobacco; germplasm; plant genetic resources; genetic variation; cultivars; plant breeding; artificial selection; crop quality; temporal variation; microsatellite repeats; genetic markers; alleles; loci; genetic improvement; crop yield; United States
Abstract:
... Plant breeding methodologies have been applied to flue-cured tobacco (Nicotiana tabacum L.) for approximately seven decades. As has been observed in several other crops, stringent quality requirements have resulted in use of conservative breeding strategies in the development of new cultivars. The impact of breeding practices on genetic diversity within U.S. flue-cured tobacco germplasm has not be ...
Handle:
10113/29897
DOI:
10.2135/cropsci2008.05.0253

28. Changes in the Composition of Raw Tea Leaves from the Korean Yabukida Plant during High-Temperature Processing to Pan-Fried Kamairi-Cha Green Tea

Author:
Friedman, Mendel; Levin, Carol E.; Choi, Suk-Hyun; Lee, Seung-Un; Kozukue, Nobuyuki
Source:
Journal of food science 2009 v.74 no.5 pp. C406
ISSN:
0022-1147
Subject:
roasting; frying; sweetness; rolling; theanine; beverage industry; leaves; Camellia sinensis var. sinensis; cultivars; food nutrient losses; water content; temperature; catechin; caffeine; green tea; tea (beverage); chlorophyll; water activity; South Korea; Japan
Abstract:
... To develop a better understanding of compositional changes occurring during the production of commercial teas, we determined by high-performance liquid chromatography (HPLC) changes in ingredient levels during each of several manufacturing steps used to produce Kamairi-cha, a premium green tea. Kamairi-cha uses pan-frying instead of the usual blanching technique to inactivate the enzymes responsib ...
Handle:
10113/30179
DOI:
10.1111/j.1750-3841.2009.01185.x

29. Changes of Oxidase and Hydrolase Activities in Pecan Leaves Elicited by Black Pecan Aphid (Hemiptera: Aphididae) Feeding

Author:
Chen, Yigen; Ni, Xinzhi; Cottrell, Ted E.; Wood, Bruce W.; Buntin, G. David
Source:
Journal of economic entomology 2009 v.102 no.3 pp. 1262-1269
ISSN:
0022-0493
Subject:
cultivars; catalase; esterases; Melanocallis caryaefoliae; linoleate 13S-lipoxygenase; plant-insect relations; pecans; varietal resistance; Carya illinoinensis; feeding behavior; induced resistance; pest resistance; enzyme activity; peroxidase; leaves; Georgia
Abstract:
... The black pecan aphid, Melanocallis caryaefoliae (Davis) (Hemiptera: Aphididae), is a foliar feeder of pecan, Carya illinoinensis (Wangenh.) K. Koch (Juglandaceae). The pest causes chlorosis of leaflet lamina, physiological damage to foliage and trees, and commonly limits the profitability of commercial pecan orchard enterprises. However, key aspects of this host-pest interaction are poorly unders ...
Handle:
10113/29858
DOI:
10.1603/029.102.0353
PubMed:
19610447

30. Characterization of 'Stoneless': A Naturally Occurring, Partially Stoneless Plum Cultivar

Author:
Callahan, Ann M.; Dardick, Chris; Scorza, Ralph
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.1 pp. 120-125
ISSN:
0003-1062
Subject:
Prunus domestica; plums; cultivars; endocarp; lignification; seed development; temporal variation; seeds; lignin; chemical constituents of plants; plant tissues; dry matter partitioning; gene expression; biochemical pathways
Abstract:
... The plum (Prunus domestica) cultivar Stoneless was characterized to determine if the lack of stone was the result of reduced endocarp development or a decrease in lignification. Fruit were sampled at several times from 37 days before stone hardening (DBH) until the stone was too hard to cut with a knife and were compared with plum fruit that had normal stones. At all sampling times there was less ...
Handle:
10113/28166

31. Characterization of leaf apoplastic peroxidases and metabolites in Vigna unguiculata in response to toxic manganese supply and silicon

Author:
Führs, Hendrik; Götze, Stefanie; Specht, André; Erban, Alexander; Gallien, Sébastien; Heintz, Dimitri; Van Dorsselaer, Alain; Kopka, Joachim; Braun, Hans-Peter; Horst, Walter J.
Source:
Journal of experimental botany 2009 v.60 no.6 pp. 1663-1678
ISSN:
0022-0957
Subject:
Vigna unguiculata; cowpeas; cultivars; ferulic acid; gels; isozymes; leaves; manganese; metabolites; metabolome; pH; peroxidase; phenol; silicon; toxicity
Abstract:
... Previous work suggested that the apoplastic phenol composition and its interaction with apoplastic class III peroxidases (PODs) are decisive in the development or avoidance of manganese (Mn) toxicity in cowpea (Vigna unguiculata L.). This study characterizes apoplastic PODs with particular emphasis on the activities of specific isoenzymes and their modulation by phenols in the Mn-sensitive cowpea ...
DOI:
10.1093/jxb/erp034
PubMed:
19286915
PubMed Central:
PMC2671618

32. Characterization of nutrient disorders of gerbera hybrid 'Festival Light Eye Pink'

Author:
Jeong, K.Y.; Whipker, B.; McCall, I.; Gunter, C.; Frantz, J.
Source:
Acta horticulturae 2009 no.843 pp. 177-182
ISSN:
0567-7572
Subject:
Gerbera; cultivars; silica; plant diseases and disorders; nutrient deficiencies; signs and symptoms (plants)
Abstract:
... Gerbera hybrid ‘Festival Light Eye Pink’ plants were grown in silica sand culture to induce and photograph nutritional disorder symptoms. Plants were grown with a complete modified Hoagland’s all nitrate solution: (macronutrients in mM) 15 NO3-N, 1.0 PO4-P, 6.0 K, 5.0 Ca, 2.0 Mg, and 2.0 SO4-S, plus μM concentrations of micronutrients, 72 Fe, 18 Mn, 3 Cu, 3 Zn, 45.0 B, and 0.1 Mo. The nutrient def ...
Handle:
10113/41838

33. Chemical Composition of Residue from Cereal Crops and Cultivars in Dryland Ecosystems

Author:
T. L. Stubbs; A. C. Kennedy; P. E. Reisenauer; J. W. Burns
Source:
Agronomy journal 2009 v.101 no.3 pp. 538-545
ISSN:
0002-1962
Subject:
nutrient content; carbon; spring barley; nitrogen content; genetic resistance; Hordeum vulgare; Triticum aestivum; disease resistance; cultivars; crop residues; winter wheat; lignin; grain crops; acid detergent fiber; geographical variation; cropping systems; spring wheat; biodegradation; neutral detergent fiber
Abstract:
... Cropping systems in the dryland farming region of eastern Washington State are dominated by winter and spring wheat (Triticum aestivum L.) and spring barley (Hordeum vulgare L.). Excessive levels of residue may be an obstacle in the adoption of conservation farming systems. Decomposition of cereal crop residues is associated with fiber and nutrient content, and growers have observed differences in ...
Handle:
10113/31576
DOI:
10.2134/agronj2008.0107x

34. Chicoric acid found in basil (Ocimum basilicum L.) leaves

Author:
Lee, Jungmin; Scagel, Carolyn F.
Source:
Food chemistry 2009 v.115 no.2 pp. 650-656
ISSN:
0308-8146
Subject:
soil inoculation; chemical composition; polyphenols; cultivars; anthocyanins; mycorrhizal fungi; caffeic acid; stems; tartaric acid; basil; Ocimum basilicum; cinnamic acid; rosmarinic acid; food composition; Rhizophagus intraradices; leaves; Italy
Abstract:
... This is the first report to identify the presence of chicoric acid (cichoric acid; also known as dicaffeoyltartaric acid, which is a caffeic acid derivatized with tartaric acid) in basil leaves. Rosmarinic acid, chicoric acid and caftaric acid (in the order of most abundant to least; all derivatives of caffeic acid) were identified in fresh basil leaves. Rosmarinic acid was the main phenolic compo ...
Handle:
10113/28808
DOI:
10.1016/j.foodchem.2008.12.075

35. Cold hardiness of southern-adapted blueberry (Vaccinium x hybrid) genotypes and the potential for their use in northern-adapted blueberry breeding

Author:
M. K. Ehlenfeldt; L. J. Rowland; E. L. Ogden; B. T. Vinyard
Source:
Plant breeding 2009 v.128 no.4 pp. 393-396
ISSN:
0179-9541
Subject:
Vaccinium corymbosum; blueberries; buds; cold tolerance; cultivars; freezing; genotype; germplasm; hybrids; mortality; plant breeding; progeny; shoots; temperature; winter; North Carolina
Abstract:
... Twelve southern-adapted blueberry genotypes, both southern high-bush (Vaccinium corymbosum L. introgressed with 2x V. darrowi Camp) and rabbiteye (V. ashei Reade), were evaluated for bud development using a morphological scale and for mid-winter cold hardiness using a shoot freezing assay. The winter of 2006–2007 was particularly warm producing higher bud development scores for several of the geno ...
Handle:
10113/61482
DOI:
10.1111/j.1439-0523.2008.01586.x

36. A Common Genetic Basis for Cross-sensitivity to Mesotrione and Nicosulfuron in Sweet Corn Hybrid Cultivars and Inbreds Grown throughout North America

Author:
Pataky, Jerald K.; Williams, Martin M. II; Riechers, Dean E.; Meyer, Michael D.
Source:
Journal of the American Society for Horticultural Science 2009 v.134 no.2 pp. 252-260
ISSN:
0003-1062
Subject:
Zea mays; sweetcorn; mesotrione; nicosulfuron; cultivars; hybrids; inbred lines; genetic variation; cytochrome P-450; mutation; mechanism of action; quantitative trait loci; gene segregation; linkage disequilibrium; herbicide resistance; North America
Abstract:
... Mutation of a cytochrome P450 (CYP) gene on the short arm of chromosome five, referred to as nsf1 or ben1, conditions sensitivity to certain P450-metabolized herbicides in corn (Zea mays L.). Previous research has shown that the sweet corn inbred Cr1 is sensitive to nicosulfuron, mesotrione, and at least seven other P450-metabolized herbicides with five different modes of action. Although the nsf1 ...
Handle:
10113/32628

37. Comparative expression of Cbf genes in the Triticeae under different acclimation induction temperatures

Author:
Campoli, Chiara; Matus-Cádiz, Maria A.; Pozniak, Curtis J.; Cattivelli, Luigi; Fowler, D. Brian
Source:
Molecular genetics and genomics 2009 v.282 no.2 pp. 141-152
ISSN:
1617-4615
Subject:
Hordeum vulgare; Secale cereale; Triticum aestivum; acclimation; barley; cultivars; gene expression; genes; genotype; rye; scotophase; temperature; wheat
Abstract:
... In plants, the C-repeat binding factors (Cbfs) are believed to regulate low-temperature (LT) tolerance. However, most functional studies of Cbfs have focused on characterizing expression after an LT shock and have not quantified differences associated with variable temperature induction or the rate of response to LT treatment. In the Triticeae, rye (Secale cereale L.) is one of the most LT-toleran ...
DOI:
10.1007/s00438-009-0451-9
PubMed:
19421778
PubMed Central:
PMC2757611

38. A Comparison of Mixed-Model Analyses of the Iowa Crop Performance Test for Corn

Author:
Yoon-Sup So; Jode Edwards
Source:
Crop science 2009 v.49 no.5 pp. 1593-1601
ISSN:
0011-183X
Subject:
Zea mays; corn; variety trials; cultivars; environmental factors; data analysis; statistical analysis; accuracy; genetic variance; genetic variation; genotype-environment interaction; genetic correlation; grain yield; Iowa
Abstract:
... Multienvironment trials generally have highly unbalanced data structures in which a particular cultivar is only observed in a subset of all environments for which data are available. A very common approach to reporting data from such unbalanced data is to subset the data into balanced subsets and restrict comparisons within balanced subsets. Such an approach results in much information being ignor ...
Handle:
10113/34949
DOI:
10.2135/cropsci2008.09.0574

39. A Comparison of Two Cotton Cultivars Differing in Maturity for Within-Canopy Fiber Property Variation

Author:
Philip J. Bauer; Jonn A. Foulk; Gary R. Gamble; E. John Sadler
Source:
Crop science 2009 v.49 no.2 pp. 651-657
ISSN:
0011-183X
Subject:
Gossypium hirsutum; cotton; cultivars; fiber quality; early development; genetic variation; glucose; chemical constituents of plants; physical properties; crop yield; plant architecture; water stress; drought; staple (fibers); length; cell wall components; genotype; South Carolina
Abstract:
... Improving uniformity in cotton (Gossypium hirsutum L.) fiber properties increases fiber processing performance. Our objective was to compare two cultivars differing in relative maturity for within-canopy variability of fiber physical properties and fiber surface chemical constituents. The cultivars (DPL 555 BG/RR [mid-full maturity] and PM 1218 BG/RR [early maturity]) were grown in plots on a Gold ...
Handle:
10113/29905
DOI:
10.2135/cropsci2008.06.0350

40. Comparison of Waxy vs. Nonwaxy Wheats in Fuel Ethanol Fermentation

Author:
Zhao, R.; Wu, X.; Seabourn, B.W.; Bean, S.R.; Guan, L.; Shi, Y.C.; Wilson, J.D.; Madl, R.; Wang, D.
Source:
Cereal chemistry 2009 v.86 no.2 pp. 145-156
ISSN:
0009-0352
Subject:
wheat; Triticum aestivum; cultivars; wheat starch; genetic variation; ethanol production; fuel production; alcoholic fermentation; yields; nitrogen; additives; protein content; pasting properties; viscosity; starch granules; reaction kinetics; distillers grains
Abstract:
... Fermentation performance of eight waxy, seven nonwaxy soft, and 15 nonwaxy hard wheat cultivars was compared in a laboratory dry-grind procedure. With nitrogen supplements in the mash, the range of ethanol yields was 368-447 L/ton. Nonwaxy soft wheat had an average ethanol yield of 433 L/ton, higher than nonwaxy hard and waxy wheat. Conversion efficiencies were 91.3-96.2%. Despite having higher le ...
Handle:
10113/30118
DOI:
10.1094/CCHEM-86-2-0145

41. Comparisons of Biodiesel Produced from Unrefined Oils of Different Peanut Cultivars

Author:
Davis, J. P.; Geller, D.; Faircloth, W. H.; Sanders, T. H.
Source:
Journal of the American Oil Chemists' Society 2009 v.86 no.4 pp. 353-361
ISSN:
0003-021X
Subject:
cultivars; peanuts; fatty acid composition; viscosity; long chain fatty acids; fatty acid esters; saturated fatty acids; crystallization; biodiesel; Arachis hypogaea; peanut oil
Abstract:
... Biodiesels were prepared according to standard procedures from unrefined oils of eight commercially available peanut cultivars and compared for differences in physical properties important to fuel performance. Dynamic viscosity, kinematic viscosity and density were measured from 100 to 15 °C, and differences (p < 0.05) in these physical properties occurred more frequently at lower temperatures whe ...
Handle:
10113/32944
DOI:
10.1007/s11746-009-1353-z

42. A Comprehensive Genotype and Environment Assessment of Wheat Grain Ash Content in Oregon and Washington: Analysis of Variation

Author:
Morris, Craig F.; Li, Shuobi; King, G.E.; Engle, Doug A.; Burns, John W.; Ross, Andrew S.
Source:
Cereal chemistry 2009 v.86 no.3 pp. 307-312
ISSN:
0009-0352
Subject:
germplasm; cultivars; seeds; analysis of variance; chemical analysis; wheat; ash content; genotype-environment interaction; Triticum aestivum; genotype; Oregon
Abstract:
... A comprehensive analysis of the variation in wheat grain ash content has not been previously conducted. This study assessed the relative contribution of genotype and environment to variation in ash content, with a particular aim of ascertaining the potential for manipulating the trait using contemporary adapted germplasm. A total of 2,240 samples were drawn from four years of multilocation field p ...
Handle:
10113/32577
DOI:
10.1094/CCHEM-86-3-0307

43. Confirmation of Molecular Markers and Agronomic Traits Associated with Seed Phytate Content in Two Soybean RIL Populations

Author:
A.M. Scaboo; V.R. Pantalone; D.R. Walker; H.R. Boerma; D.R. West; F.R. Walker; C.E. Sams
Source:
Crop science 2009 v.49 no.2 pp. 426-432
ISSN:
0011-183X
Subject:
Glycine max; soybeans; inbred lines; genetic markers; agronomic traits; phytic acid; seeds; microsatellite repeats; quantitative trait loci; linkage (genetics); marker-assisted selection; phenotype; selection criteria; cultivars; phenotypic correlation; height; protein content; lipid content; artificial selection; selection response
Abstract:
... The concentration of phytate is an important consideration when analyzing feed grain for livestock. Simple sequence repeat markers Satt237 and Satt561 were found to be linked to quantitative trait loci (QTLs) for phytate concentration in soybean [Glycine max (L.) Merr.] seed. Previous research also established a significant correlation between seed inorganic phosphorus (Pi) and seed phytate. The o ...
Handle:
10113/30025
DOI:
10.2135/cropsci2007.11.0614

44. Contrasting physiological responses by cultivars of Oryza sativa and O. glaberrima to prolonged submergence

Author:
Sakagami, Jun-Ichi; Joho, Yukiko; Ito, Osamu
Source:
Annals of botany 2009 v.103 no.2 pp. 171-180
ISSN:
0305-7364
Subject:
cultivars; submergence; surface water; Oryza sativa; net assimilation rate; leaf area; watersheds; genotype; Oryza glaberrima; physiological response; field experimentation; photosynthesis; biomass; growth chambers; leaves; shoots
Abstract:
... BACKGROUND AND AIMS ORYZA GLABERRIMA: is widely grown in flood-prone areas of African river basins and is subject to prolonged periods of annual submergence. The effects of submergence on shoot elongation, shoot biomass, leaf area and CO₂ uptake were studied and compared with those of O. sativa. METHODS: A wide selection of lines of O. sativa and O. glaberrima, including some classified as submerg ...
DOI:
10.1093/aob/mcn201
PubMed:
18940851
PubMed Central:
PMC2707315

45. Control of Cereal Rye with a Roller/Crimper as Influenced by Cover Crop Phenology

Author:
Steven B. Mirsky; William S. Curran; David A. Mortensen; Matthew R. Ryan; Durland L. Shumway
Source:
Agronomy journal 2009 v.101 no.6 pp. 1589-1596
ISSN:
0002-1962
Subject:
Secale cereale; rye; conservation tillage; herbicides; pesticide use reduction; crop management; planting date; cover crops; rolling; agricultural machinery and equipment; heat sums; phenology; developmental stages; plant development; cultivars; seasonal variation; decision making; air temperature; growth models
Abstract:
... Adoption of reduced tillage practices have been driven by the need to enhance soil quality, minimize field labor time, and scale up farm size. However, concerns about increased reliance on herbicides and demand for organically grown foods call for adoption of production practices that can reduce both tillage and herbicide use. This research study assessed the influence of planting and termination ...
Handle:
10113/37221
DOI:
10.2134/agronj2009.0130

46. Corn yield responses under crop evapotranspiration-based irrigation management

Author:
Ko, Jonghan; Piccinni, Giovanni
Source:
Agricultural water management 2009 v.96 no.5 pp. 799-808
ISSN:
0378-3774
Subject:
cultivars; Zea mays; evapotranspiration; canopy; conventional tillage; reduced tillage; water use efficiency; corn; deficit irrigation; grain yield; irrigation scheduling; temperature; Texas
Abstract:
... Improving irrigation water management is becoming important to produce a profitable crop in South Texas as the water supplies shrink. This study was conducted to investigate grain yield responses of corn (Zea mays) under irrigation management based on crop evapotranspiration (ETC) as well as a possibility to monitor plant water deficiencies using some of physiological and environmental factors. Th ...
Handle:
10113/28018
DOI:
10.1016/j.agwat.2008.10.010

47. Crop domestication relaxes both top-down and bottom-up effects on a specialist herbivore

Author:
Wang, Xin-Geng; Nadel, Hannah; Johnson, Marshall W.; Daane, Kent M.; Hoelmer, Kim; Walton, Vaughn M.; Pickett, Charles H.; Sime, Karen R.
Source:
Basic and applied ecology 2009 v.10 no.3 pp. 216-227
ISSN:
1439-1791
Subject:
parasitoids; oviposition; Psyttalia; host-parasite relationships; insect ecology; females; cultivars; olive pulp; coevolution; provenance; larvae; Olea europaea; domestication; phytophagous insects; olives; Bactrocera oleae; natural enemies; crops; South Africa; California
Abstract:
... Domestication of crop plants selects for numerous traits that often distinguish them dramatically from their wild progenitors. In some cases, these modifications lead to increased herbivory, by enhancing their attractiveness to herbivorous insects or reducing the efficiency of natural enemies, or both. This study investigated the effects of fruit enlargement on the olive (Olea europaea L.), the sp ...
Handle:
10113/34225
DOI:
10.1016/j.baae.2008.06.003

48. Crown Rust Development and Selection for Virulence in Puccinia coronata f. sp. avenae in an Oat Multiline Cultivar

Author:
Carson, M.L.
Source:
Plant disease 2009 v.93 no.4 pp. 347-353
ISSN:
0191-2917
Subject:
Avena sativa; oats; Puccinia coronata; rust diseases; disease resistance; cultivars; natural selection; virulence; disease course; genetic resistance; Rhamnus cathartica; alternative hosts; host plants; disease severity
Abstract:
... Crown rust, caused by Puccinia coronata f. sp. avenae is the most important disease of cultivated oat in North America. Numerous race-specific (Pc) genes for crown rust have been found in Avena spp. but this type of resistance has not been durable when used in oat cultivars. Increasing diversity for resistance within a crop by the use of multiline cultivars or varietal mixtures has been proposed a ...
Handle:
10113/32221
DOI:
10.1094/PDIS-93-4-0347

49. Cultivar Preferences of Ovipositing Wheat Stem Sawflies as Influenced by the Amount of Volatile Attractant

Author:
Weaver, David K.; Buteler, Micaela; Hofland, Megan L.; Runyon, Justin B.; Nansen, Christian; Talbert, Luther E.; Lamb, Peggy; Carlson, Gregg R.
Source:
Journal of economic entomology 2009 v.102 no.3 pp. 1009-1017
ISSN:
0022-0493
Subject:
Cephus cinctus; sawflies; oviposition; host preferences; host plants; Triticum aestivum; spring wheat; cultivars; volatile compounds; semiochemicals; insect attractants; plant growth; crop damage; trap crops; Montana
Abstract:
... The wheat stem sawfly, Cephus cinctus Norton, causes severe losses in wheat grown in the northern Great Plains. Much of the affected area is planted in monoculture with wheat, Triticum aestivum L., grown in large fields alternating yearly between crop and no-till fallow. The crop and fallow fields are adjacent. This cropping landscape creates pronounced edge effects of sawfly infestations and may ...
Handle:
10113/29765
DOI:
10.1603/029.102.0320
PubMed:
19610414

50. DNA Polymorphisms Reveal Geographic Races of Reed Canarygrass

Author:
M. D. Casler; M. M. Phillips; A. L. Krohn
Source:
Crop science 2009 v.49 no.6 pp. 2139-2148
ISSN:
0011-183X
Subject:
germplasm; wetlands; cultivars; sequence analysis; perennials; amplified fragment length polymorphism; landraces; pasture plants; chloroplast DNA; cytoplasm; provenance; nucleotide sequences; genetic variation; cool season grasses; Phalaris arundinacea; genetic markers
Abstract:
... Reed canarygrass (Phalaris arundinacea L.) is a cool-season perennial with a circumglobal distribution in the northern hemisphere, native to Europe, Asia, and North America. Repeated introductions of European germplasm into North America have created confusion over the origins of reed canarygrass germplasm found in wetlands, pastures, and breeding programs. The objectives of this study were to ide ...
Handle:
10113/37445
DOI:
10.2135/cropsci2009.02.0055