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You searched for: Publication Year 2013 Remove constraint Publication Year: 2013 Subject term insect pests Remove constraint Subject term: insect pests
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1. Abundance of Adventive Thrips palmi (Thysanoptera: Thripidae) Populations in Florida During the First Sixteen Years §

Author:
Seal Dakshina R.; Kumar Vivek; Kakkar Garima; Mello Simone Costa
Source:
Florida entomologist 2013 v.96 no.3 pp. 789-796
ISSN:
0015-4040
Subject:
Orius insidiosus; Thrips palmi; beans; educational research; eggplants; eggs; financial economics; insect pests; leaves; population; population growth; spinosad; tissues; vegetable crops; Florida
Abstract:
... Thrips palmi Karny (Thysanoptera: Thripidae), invaded Miami Dade-county in 1990 and caused significant economic damage by defoliating various vegetable crops. It commonly occurs on the abaxial surface of host leaves where eggs are deposited individually inside the leaf tissues. Highest abundance of T. palmi was recorded on bean and eggplant in 1991–1994 in Tropical Research and Education Center re ...
DOI:
10.1653/024.096.0312

2. Acute toxicity and sublethal effects of methoxyfenozide and thiodicarb on survival, development and reproduction of Helicoverpa armigera (Lepidoptera: Noctuidae)

Author:
Moosa Saber; Ehsan Parsaeyan; Samad Vojoudi; Mohammad Bagheri; Ali Mehrvar; Shizuo George Kamita
Source:
Crop protection 2013 v.43 pp. 14-17
ISSN:
0261-2194
Subject:
Helicoverpa armigera; acute toxicity; adults; artificial diets; fecundity; females; insect pests; insecticides; instars; larvae; lethal concentration 50; methoxyfenozide; population dynamics; pupal development; sublethal effects; thiodicarb
Abstract:
... The cotton bollworm Helicoverpa armigera (Hubner) is one of the most destructive pest insects in Iran and many other countries. In this study, lethal and sublethal effects of methoxyfenozide, and thiodicarb were evaluated against H. armigera larvae that fed on insecticide-treated artificial diet. The effects of methoxyfenozide and thiodicarb were assessed in 3rd instars. Methoxyfenozide and thiodi ...
DOI:
10.1016/j.cropro.2012.09.011

3. Advances in improvement of quality and resistance in a multipurpose crop: sea buckthorn

Author:
Cheng-Jiang Ruan; Kimmo Rumpunen; Hilde Nybom
Source:
Critical reviews in biotechnology 2013 v.33 no.2 pp. 126-144
ISSN:
1549-7801
Subject:
Hippophae rhamnoides; abiotic stress; bioactive compounds; biotic stress; breeding methods; drought; genetic analysis; genetic markers; genotype; inheritance (genetics); insect pests; metabolites; plant growth; population genetics; salinity; small fruits; soil erosion; taste
Abstract:
... Sea buckthorn is a berry crop with multiple uses. The berries are highly appreciated for their unique taste but are also very rich in bioactive compounds with powerful nutritional and medicinal values. In addition, the plants grow well under adverse conditions, and are often used to fight soil erosion. Utilization of sea buckthorn has therefore increased around the world but serious problems have, ...
DOI:
10.3109/07388551.2012.676024

4. Advances in the use of the RNA interference technique in Hemiptera

Author:
Jie Li; Xiao‐Ping Wang; Man‐Qun Wang; Wei‐Hua Ma; Hong‐Xia Hua
Source:
Insect science 2013 v.20 no.1 pp. 31-39
ISSN:
1672-9609
Subject:
Hemiptera; RNA interference; double-stranded RNA; eukaryotic cells; gene expression; gene targeting; genes; insect control; insect models; insect pests
Abstract:
... RNA interference (RNAi) suppresses the expression of target genes by post‐transcriptional regulation. Because double‐stranded RNA (dsRNA) mediated gene silencing is a conserved mechanism in many eukaryotes, RNAi has become a valuable tool for unveiling gene function in many model insects. Recent research has also shown that RNAi can also be effective in the downregulation of target genes in Hemipt ...
DOI:
10.1111/j.1744-7917.2012.01550.x
PubMed:
23955823

5. Aerial mapping canopy damage by the aphid Essigella californica in a Pinus radiata plantation in southern New South Wales: what are the challenges?

Author:
Christine Stone; Angus Carnegie; Gavin Melville; David Smith; Matthew Nagel
Source:
Australian forestry 2013 v.76 no.2 pp. 101-109
ISSN:
2325-6087
Subject:
diagnostic techniques; plantations; canopy; insect pests; Pinus radiata; surveys; chlorosis; defoliation; cost effectiveness; Aphididae; forests; New South Wales
Abstract:
... SummarySurveying the location and level of damage by insect pests and diseases, such as canopy damage by the Monterey pine aphid, Essigella californica Essig (Hemiptera: Aphididae), a common defoliating pest of Pinus radiata, is now formally embedded in the management practices of most Australian softwood-growing companies. Aerial surveys, also known as aerial sketch-mapping, are a cost-effective ...
DOI:
10.1080/00049158.2013.799055

6. Agricultural landscape simplification does not consistently drive insecticide use

Author:
Ashley E. Larsen
Source:
Proceedings of the National Academy of Sciences of the United States of America 2013 v.110 no.38 pp. 15330-15335
ISSN:
0027-8424
Subject:
Census of Agriculture; USDA; agricultural land; correlation; insect pests; insecticides; land use; landscapes; models; natural enemies; pesticide application
Abstract:
... The increase in agricultural production over the past 40 y has greatly altered land-use patterns, often resulting in simplified landscapes composed of large swaths of monocultures separated by small fragments of natural lands. These simplified landscapes may be more susceptible to insect pest pressure because of the loss of natural enemies and the increased size and connectivity of crop resources, ...
DOI:
10.1073/pnas.1301900110
PubMed:
24003135
PubMed Central:
PMC3780878

7. Analysis of acoustic stimulus to Liriomyza trifolii (Diptera: Agromyzidae) through Electroantennogram (EAG) technique

Author:
Chang Woo Ji; Ki Hong Yum; Tae-Soo Chon; Si Woo Lee; Hyun-Gwan Goh; Sang-Guei Lee
Source:
Journal of Asia-Pacific entomology 2013 v.16 no.3 pp. 229-235
ISSN:
1226-8615
Subject:
Inquilina; Lipara; Liriomyza trifolii; acoustic properties; courtship; electroantennography; entropy; head; insect pests; pest management
Abstract:
... The study utilized the Electroantennogram (EAG) technique as biological acoustic stimulus to Liriomyza trifolii (Diptera: Agromyzidae). Pure tone sounds and courtship songs were tested in the excised head of test specimens. Significant EAG stimuli were detected when released at 20Hz pure tone sound together with the courtship song having long pulse train patterns of Cryptonevra inquilina and Lipar ...
DOI:
10.1016/j.aspen.2013.02.001

8. Analysis of sequential accumulation of individual pigeonpea protease inhibitors during seed development

Author:
Rajesh D. Tak; Manohar V. Padul; Manvendra S. Kachole
Source:
Acta physiologiae plantarum 2013 v.35 no.12 pp. 3303-3314
ISSN:
0137-5881
Subject:
X-radiation; crops; cultivars; ethyl methanesulfonate; flowering; gels; insect pests; mutagenesis; phytophagous insects; pigeon peas; proteinase inhibitors; proteinases; seed development; seeds
Abstract:
... Seeds of pigeonpea are known to accumulate protease inhibitors (PIs), belonging to the Bowman-Burk inhibitor family. PIs are important for natural defense against phytophagous insect pests. Most insects attack crops at the early stages of seed development. Accumulation patterns of individual PIs and their relationship with each other were studied in developing seeds of 76 pigeonpea lines derived f ...
DOI:
10.1007/s11738-013-1363-1

9. Annona mucosa Jacq. (Annonaceae): A promising source of bioactive compounds against Sitophilus zeamais Mots. (Coleoptera: Curculionidae)

Author:
Leandro do Prado Ribeiro; José Djair Vendramim; Keylla Utherdyany Bicalho; Moacir dos Santos Andrade; João Batista Fernandes; Rafael de Andrade Moral; Clarice Garcia Borges Demétrio
Source:
Journal of stored products research 2013 v.55 pp. 6-14
ISSN:
0022-474X
Subject:
Annona mucosa; Sitophilus zeamais; acetogenins; alkaloids; branches; chemical analysis; control methods; foods; grains; hexane; high performance liquid chromatography; insect pests; insecticidal properties; insecticide resistance; insecticides; leaves; methylene chloride; models; mucosa; nuclear magnetic resonance spectroscopy; pesticide residues; screening; seeds; stored grain
Abstract:
... New control methods are necessary for stored grain pest management programs due to both the widespread problems of insecticide-resistance populations and the increasing concerns of consumers regarding pesticide residues in food products. Thus, this study evaluated the bioactivity of extracts and fractions obtained from different structures (leaves, branches, and seeds) of Annona mucosa (Annonaceae ...
DOI:
10.1016/j.jspr.2013.06.001

10. Anticipating the consequences of climate change for Canada’s boreal forest ecosystems1

Author:
David T. Price; R.I. Alfaro; K.J. Brown; M.D. Flannigan; R.A. Fleming; E.H. Hogg; M.P. Girardin; T. Lakusta; M. Johnston; D.W. McKenney; J.H. Pedlar; T. Stratton; R.N. Sturrock; I.D. Thompson; J.A. Trofymow; L.A. Venier
Source:
Environmental reviews 2013 v.21 no.4 pp. 322-365
ISSN:
1208-6053
Subject:
atmospheric precipitation; boreal forests; carbon dioxide; climate; drought; ecological function; financial economics; forest decline; forest ecosystems; forest insects; global warming; greenhouse gases; insect pests; land use; permafrost; summer; sustainable forestry; temperature; uncertainty; wildfires; winter; woodlands; Canada; Great Lakes
Abstract:
... Canadian boreal woodlands and forests cover approximately 3.09 × 10⁶ km², located within a larger boreal zone characterized by cool summers and long cold winters. Warming since the 1850s, increases in annual mean temperature of at least 2 °C between 2000 and 2050 are highly probable. Annual mean temperatures across the Canadian boreal zone could be 4–5 °C warmer than today’s by 2100. All aspects o ...
DOI:
10.1139/er-2013-0042

11. Antifeedant activity of numb and salty taste compounds against the larvae of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae)

Author:
Jing Yang; Weizheng Li; Xiaole Chai; Guohui Yuan; Guoxu Fu; Yinghui Wang; Xianru Guo; Meihao Luo
Source:
Acta ecologica Sinica 2013 v.33 no.1 pp. 7-11
ISSN:
1872-2032
Subject:
Helicoverpa armigera; Zanthoxylum bungeanum; acetone; alcohols; antifeeding activity; bioassays; choice feeding; corn; cotton; dose response; equations; insect pests; larvae; leaf area; leaves; methylene chloride; peanuts; pepper; sodium chloride; solvents; synergism; taste; tobacco; tomatoes
Abstract:
... Helicoverpa armigera, an important polyphagous insect pest in agriculture, attacks more than 200 plant species of more than 30 families. Our previous study showed that the choice feeding percentages of H. armigera larvae to tobacco leaf discs treated with sweet, bitter, and hot taste substances were higher than the control leaf discs, while numb and salty substances could significantly inhibit the ...
DOI:
10.1016/j.chnaes.2012.12.002

12. Antifungal activity of Bacillus thuringiensis strains and their efficacy against the cotton leaf worm Spodoptera littoralis

Author:
Abeer M. Mohammad; Monira M. El-Fatih; Karima G. Helmy
Source:
Archiv für Phytopathologie und Pflanzenschutz 2013 v.46 no.20 pp. 2420-2427
ISSN:
1477-2906
Subject:
Bacillus thuringiensis; Spodoptera littoralis; Thanatephorus cucumeris; antifungal properties; bacteria; cotton; heat stability; insect pests; larvae; leaves; minimum inhibitory concentration; mortality; mycelium; pH
Abstract:
... Bacillus thuringiensis strains that belong to B. thuringiensis , B. kurstaki and soil-isolated B.t . were assessed in the following phytopathogenic: Rhizoctonia solani , that had their mycelial growth decreased after incubation in the presence of the bacterial strains. The bacteria have also pathogenic effect against the insect pest Spodoptera littoralis . The isolate B.t . D-1 and the B.t. kursta ...
DOI:
10.1080/03235408.2013.796695

13. Application of a web-based remote agro-ecological monitoring system for observing spatial distribution and dynamics of Bactrocera dorsalis in fruit orchards

Author:
Joe-Air Jiang; Tzu-Shiang Lin; En-Cheng Yang; Chwan-Lu Tseng; Chia-Pang Chen; Chung-Wei Yen; Xiang-Yao Zheng; Chun-Yi Liu; Ren-Hau Liu; Yu-Fan Chen; Wan-Yi Chang; Cheng-Long Chuang
Source:
Precision agriculture 2013 v.14 no.3 pp. 323-342
ISSN:
1385-2256
Subject:
Bactrocera dorsalis; Internet; data collection; databases; decision making; farm profitability; farmers; farms; fruit flies; insect pests; integrated pest management; monitoring; orchards; pest control; population dynamics; precision agriculture; risk assessment; spatial data
Abstract:
... Improving fruit farm profitability through integrated pest management (IPM) programs is always an important issue to modern agriculture systems. In order to enhance IPM programs against Bactrocera dorsalis, an automatic infield monitoring system is required to efficiently capture long-term and up-to-the-minute environmental fluctuations in a fruit farm. In this study, a remote agro-ecological moni ...
DOI:
10.1007/s11119-012-9298-x

14. Applying an Integrated Refuge to Manage Western Corn Rootworm (Coleoptera: Chrysomelidae): Effects on Survival, Fitness, and Selection Pressure

Author:
Petzold-Maxwell Jennifer L.; Alves Analiza P.; Estes Ronald E.; Gray Michael E.; Meinke Lance J.; Shields Elson J.; Thompson Stephen D.; Tinsley Nicholas A.; Gassmann Aaron J.
Source:
Journal of economic entomology 2013 v.106 no.5 pp. 2195-2207
ISSN:
0022-0493
Subject:
Bacillus thuringiensis; Diabrotica virgifera virgifera; adulthood; adults; bioassays; clothianidin; corn; fecundity; head; insect pests; larvae; longevity; progeny; seed treatment; seeds; selection pressure; thiamethoxam; toxins; transgenic plants
Abstract:
... The refuge strategy can delay resistance of insect pests to transgenic maize producing toxins from Bacillus thuringiensis (Bt). This is important for the western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), because of its history of adaptation to several management practices. A 2-yr study across four locations was conducted to measure the effects of integrated ...

15. Ar-turmerone from Curcuma longa (Zingiberaceae) rhizomes and effects on Sitophilus zeamais (Coleoptera: Curculionidae) and Spodoptera frugiperda (Lepidoptera: Noctuidae)

Author:
Wagner de Souza Tavares; Silvia de Sousa Freitas; Geisel Hudson Grazziotti; Leila Maria Leal Parente; Luciano Morais Lião; José Cola Zanuncio
Source:
Industrial crops and products 2013 v.46 pp. 158-164
ISSN:
0926-6690
Subject:
Curcuma longa; Sitophilus zeamais; Spodoptera frugiperda; artificial diets; eggs; feces; foods; hatching; head; ingestion; insect larvae; insect pests; mortality; rhizomes; weight gain
Abstract:
... Turmeric, Curcuma longa L. (Zingiberaceae) has well-known insecticidal and repellent effects on insect pests, but its impact on the Maize weevil Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae) and the fall armyworm Spodoptera frugiperda J.E. Smith, 1797 (Lepidoptera: Noctuidae) is unknown. In this study, we evaluated the insecticidal and repellent effects of ar-turmerone, extracte ...
DOI:
10.1016/j.indcrop.2013.01.023

16. Arthropod Biodiversity and Community Structure in Dongxiang Wild Rice (Oryza rufipogon Griff.) Fields1

Author:
Yuan Fenghui; Zhang Jie; An Kunpeng; Shen Ke; Zhang Runjie
Source:
Journal of agricultural and urban entomology 2013 v.29 no.1 pp. 55-67
ISSN:
1523-5475
Subject:
Fulgoroidea; Oryza rufipogon; arthropod communities; arthropods; biodiversity; botanists; community structure; insect pests; parasitoids; plant breeders; rare species; vegetation; wild rice; China
Abstract:
... Dongxiang wild rice, Oryza rufipogon Griff. (Poales: Poaceae), has many excellent traits that are of interest to botanists and plant breeders. However, arthropod biodiversity and community structure for this rare species are not well known. Therefore, we investigated the arthropod communities in natural plots of Dongxiang wild rice at three locations in Jiangxi Province, China. The diversity and d ...
DOI:
10.3954/12-03.1

17. Artificial wetlands and surrounding habitats provide important foraging habitat for bats in agricultural landscapes in the Western Cape, South Africa

Author:
Clélia Sirami; David Steve Jacobs; Graeme S. Cumming
Source:
Biological conservation 2013 v.164 pp. 30-38
ISSN:
0006-3207
Subject:
agroecosystems; orchards; interspecific variation; insect pests; vineyards; landscapes; farms; models; Chiroptera; trees; species diversity; constructed wetlands; lowland forests; foraging; habitats; South Africa
Abstract:
... Agriculture and related habitat modification have been identified as globally important drivers of species loss. Habitat modification resulting from agriculture can, however, have both positive and negative consequences for animal species. The ecological trade-offs involved in agricultural development have often not been explored sufficiently well to identify mutually beneficial solutions. Bats, f ...
DOI:
10.1016/j.biocon.2013.04.017

18. Asian citrus psyllid, Diaphorina citri (Hemiptera: Psyllidae), vector of citrus huanglongbing disease

Author:
David G. Hall; Matthew L. Richardson; El-Desouky Ammar; Susan E. Halbert
Source:
Entomologia experimentalis et applicata 2013 v.146 no.2 pp. 207-223
ISSN:
1570-7458
Subject:
insecticides; insect vectors; pest resistance; Diaphorina citri; orchards; Psyllidae; greening disease; vector control; Citrus; germplasm; Candidatus Liberibacter asiaticus; insect pests; host plants; gene silencing; mortality; plant breeding; pesticide application; transgenic plants; chemical control; bacteria; Florida
Abstract:
... The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is an important pest of citrus because it transmits phloem-limited bacteria [Candidatus Liberibacter spp., notably Ca. L. asiaticus (LAS)] associated with huanglongbing (HLB; citrus greening disease), currently considered the world's most serious disease of citrus. Asian citrus psyllid transmits LAS in a persistent m ...
Handle:
10113/57023
DOI:
10.1111/eea.12025

19. Assessing Insects at Pecan Storage Facilities in Oklahoma and Texas

Author:
Shufran A. A.; Mulder P. G.; Ree B.; Shufran K. A.
Source:
Southwestern entomologist 2013 v.38 no.3 pp. 407-416
ISSN:
0147-1724
Subject:
Carya illinoinensis; Plodia interpunctella; Rhyzopertha dominica; bait traps; insect pests; moths; oils; pecans; pest management; pheromones; sticky traps; storage pests; Oklahoma; Texas
Abstract:
... Presence of insect pests was assessed at eight pecan, Carya illinoensis (Wang.) Koch, storage facilities in Oklahoma (six) and Texas (two). Two types of insect traps were used within each facility. Floor-situated STORGARD® Beetle Dome™ traps were baited with a combination of pheromone and oil to monitor beetle pests of stored products, and hanging Pherocon 1C™ moth sticky traps were used to monito ...
DOI:
10.3958/059.038.0305

20. Assessing Migration of Ruby-Throated Hummingbirds (Archilochus colubris) at Broad Spatial and Temporal Scales

Author:
Courter Jason R.; Johnson Ron J.; Bridges William C.; Hubbard Kenneth G.
Source:
Auk 2013 v.130 no.1 pp. 107-117
ISSN:
1938-4254
Subject:
breeding sites; ecosystem services; hummingbirds; insect pests; insect pollination; landscapes; latitude; migratory behavior; phenology; spring; temperature; volunteers; weather; winter; Eastern United States
Abstract:
... Phenological patterns in birds appear to be temperature-dependent in part, and global temperatures are undergoing change. Many studies of bird phenology are conducted at broad temporal but local spatial scales, making it difficult to assess how temperature affects bird migration across landscapes. Recently, networks of “citizen science” volunteers have emerged whose collective efforts may improve ...
DOI:
10.1525/auk.2012.12058

21. Assessment of Insecticidal Efficacy of Diatomaceous Earth and Powders of Common Lavender and Field Horsetail against Bean Weevil Adults

Author:
T Bohinc; B Vayias; T Bartol; S Trdan
Source:
Neotropical entomology 2013 v.42 no.6 pp. 642-648
ISSN:
1519-566X
Subject:
Acanthoscelides obtectus; Curculionidae; Equisetum arvense; Lavandula angustifolia; adults; beans; diatomaceous earth; insect pests; mortality; powders; relative humidity; synergism; temperature
Abstract:
... In the search for an effective and sustainable control method against the bean weevil Acanthoscelides obtectus (Say), an important insect pest affecting stored common beans and other legumes, three different powders were tested against adult been weevils under laboratory conditions. The three powders were diatomaceous earth (DE) (commercial product SilicoSec®), common lavender (Lavandula angustifo ...
DOI:
10.1007/s13744-013-0168-7

22. The Associated Effects of the Soybean Aphid Resistance Gene Rag2 from PI 200538 on Agronomic Traits in Soybean

Author:
Ki-Seung Kim; Brian W. Diers
Source:
Crop science 2013 v.53 no.4 pp. 1326-1334
ISSN:
0011-183X
Subject:
Aphis glycines; Glycine max; agronomic traits; alleles; backcrossing; biotypes; genetic background; germplasm; homozygosity; insect pests; introgression; loci; lodging; plant height; resistance genes; seed yield; soybeans; Midwestern United States
Abstract:
... The soybean aphid (SA) (Aphis glycines Matsumura) has become a major insect pest of soybean [Glycine max (L.) Merr.] in North America. Three SA biotypes and several genes conferring resistance to this pest have been discovered. The major SA resistance gene Rag2 was identified and mapped from the maturity group VIII PI 200538 and the gene has been introgressed into Midwest-adapted germplasm. The ob ...
DOI:
10.2135/cropsci2012.09.0558

23. Aulacaspis tubercularis1 Newstead in Mango Orchards of Nayarit, Mexico, and Relationship with Environmental and Agronomic Factors

Author:
Bautista-Rosales P. U.; Ragazzo-Sánchez J. A.; Calderón-Santoyo M.; Cortéz-Mondaca E.; Servín-Villegas R.
Source:
Southwestern entomologist 2013 v.38 no.2 pp. 221-230
ISSN:
0147-1724
Subject:
Aulacaspis; Mangifera indica; canopy; drought; environmental factors; females; humus; insect pests; leaves; males; mangoes; orchards; pruning; relative humidity; temperature; trees; Mexico
Abstract:
... White mango scale, Aulacaspis tubercularis Newstead, was sampled to better understand its biology and fluctuation in abundance in relationship to environmental variables and agronomic management in organic and conventional orchards of mango (Mangifera indica L.) in ‘El Llano’ and ‘Aticama’, Nayarit, Mexico. Sampling was done from January to June 2010 and 2011. White mango scale males group in colo ...
DOI:
10.3958/059.038.0207

24. Bacillus thuringiensis Insecticidal Crystal Proteins Affect Lifespan and Reproductive Performance of Helicoverpa armigera and Spodoptera exigua Adults

Author:
Zhang Ying; Ma Yan; Wan Pin-Jun; Mu Li-Li; Li Guo-Qing
Source:
Journal of economic entomology 2013 v.106 no.2 pp. 614-621
ISSN:
0022-0493
Subject:
Bacillus thuringiensis; Coleoptera; Diptera; Helicoverpa armigera; Spodoptera exigua; adults; copulation; crystal proteins; egg hatchability; egg masses; females; genes; in vivo studies; insect pests; insecticidal properties; insecticidal proteins; larvae; longevity; males; reproductive performance; spermatophores; sucrose; toxins; transgenic plants
Abstract:
... Being delivered as sprays or expressed in plant, Bacillus thuringiensis (Bt) crystalline proteins (Cry toxins) display insecticidal activities against numerous Lepidopteran, Dipteran, and Coleopteran larvae. Comparative study of toxicities of Bt Cry toxins between larvae and adults may afford important new insights into the interactions of the toxins with receptor proteins in host insect, and repr ...

25. Bacillus thuringiensis Isolates from Great Nicobar Islands

Author:
R. Asokan; H. M. Mahadeva Swamy; Ajanta Birah; Geetha G. Thimmegowda
Source:
Current microbiology 2013 v.66 no.6 pp. 621-626
ISSN:
0343-8651
Subject:
Bacillus thuringiensis; Curculionidae; Helicoverpa armigera; biodiversity; genes; insect pests; integrated pest management; islands; polyacrylamide gel electrophoresis; polymerase chain reaction; soil sampling; sustainable agriculture; toxicity; toxicity testing
Abstract:
... Bacillus thuringiensis (Bt) strains were isolated from soil samples of Great Nicobar Islands, one of the “hottest biodiversity hotspots,” where no collection has been characterized previously. The 36 new Bt isolates were obtained from 153 samples analyzed by crystal protein production with light/phase-contrast microscopy, determination of cry gene profile by SDS-PAGE, evaluation of toxicity agains ...
DOI:
10.1007/s00284-013-0323-8
PubMed:
23377491

26. Baseline Toxicity of Metaflumizone and Lack of Cross Resistance between Indoxacarb and Metaflumizone in Diamondback Moth (Lepidoptera: Plutellidae)

Author:
Khakame Shem K.; Wang Xingliang; Wu Yidong
Source:
Journal of economic entomology 2013 v.106 no.3 pp. 1423-1429
ISSN:
0022-0493
Subject:
Bacillus thuringiensis; Plutella xylostella; abamectin; cross resistance; crystal proteins; fipronil; indoxacarb; insect pests; mechanism of action; metaflumizone; sodium channels; spinosad; toxicity; vegetables; China
Abstract:
... Diamondback moth, Plutella xylostella (L.) is a serious insect pest of vegetables worldwide, and has evolved resistance to various kinds of insecticides. Studies were conducted to determine the baseline toxicity of metaflumizone and the possibility of cross-resistance between metaflumizone and indoxacarb, two sodium channel blocking insecticides (SCBIs), in field populations of P. xylostella from ...

27. Bed Bug Detection: Current Technologies and Future Directions

Author:
Rajeev Vaidyanathan; Mark F. Feldlaufer
Source:
American Journal of Tropical Medicine and Hygiene 2013 v.88 no.4 pp. 619-625
ISSN:
0002-9637
Subject:
Cimicidae; DNA; carbon dioxide; dogs; droplets; electronic nose; feces; heat; insect pests; integument; mass spectrometry; pheromone traps; pheromones; sticky traps
Abstract:
... Technologies to detect bed bugs have not kept pace with their global resurgence. Early detection is critical to prevent infestations from spreading. Detection based exclusively on bites is inadequate, because reactions to insect bites are non-specific and often misdiagnosed. Visual inspections are commonly used and depend on identifying live bugs, exuviae, or fecal droplets. Visual inspections are ...
Handle:
10113/60970
DOI:
10.4269/ajtmh.12-0493
PubMed:
23553226
PubMed Central:
PMC3617843

28. Behavior of nursery-box-applied fipronil and its sulfone metabolite in rice paddy fields

Author:
Dang Quoc Thuyet; Hirozumi Watanabe; Takashi Motobayashi; Junghun Ok
Source:
Agriculture, ecosystems & environment 2013 v.179 pp. 69-77
ISSN:
0167-8809
Subject:
aquatic environment; ecosystems; environmental impact; fipronil; half life; insect control; insect pests; insecticides; paddies; paddy soils; rice; risk; risk assessment; sampling; toxicity; water treatment; Japan
Abstract:
... The granular insecticide fipronil has been widely applied in rice nursery boxes, both before transplanting (BT) and during at-sowing (AS) treatments to control insect pests at the early stages of rice cultivation in Japan. Although a potential effect of fipronil on paddy ecosystems and downstream aquatic environments has been observed, the environmental effect of this substance in paddy fields rem ...
DOI:
10.1016/j.agee.2013.07.012

29. Biodiversity of insect pests, natural enemies and diseases in SRI and traditional system of rice cultivation in North Eastern region of India

Author:
Mahesh Pathak; RC Shakywar; Dinesh Sah
Source:
Oryza 2013 v.50 no.4 pp. 370-374
ISSN:
2249-5266
Subject:
Coleoptera; biodiversity; birds; boring insects; cost benefit analysis; cultivars; ears; farms; grain yield; head; leaf blight; leaves; rice; villages; wet season; wolves; India
Abstract:
... On farm trials were conducted during wet season 2011 and 2012 at Ngorlung village under Ruksin block of East Siang district of Arunachal Pradesh. Two rice varieties viz. CAU R-1 (improved variety) and Itanagar (local variety) were transplanted under system of rice intensification (SRI) and traditional system of cultivation. The results reveled that incidence of stem borer was significantly lower i ...

30. Bioinsecticidal activity of a novel Kunitz trypsin inhibitor from Catanduva (Piptadenia moniliformis) seeds

Author:
Ana C.B. Cruz; Fábio S. Massena; Ludovico Migliolo; Leonardo L.P. Macedo; Norberto K.V. Monteiro; Adeliana S. Oliveira; Francisco P. Macedo; Adriana F. Uchoa; Maria F. Grossi de Sá; Ilka M. Vasconcelos; Andre M. Murad; Octavio L. Franco; Elizeu A. Santos
Source:
Plant physiology and biochemistry 2013 v.70 pp. 61-68
ISSN:
0981-9428
Subject:
Anthonomus grandis; Ceratitis capitata; Kunitz-type proteinase inhibitor; Piptadenia; Plodia; artificial diets; chymotrypsin; high performance liquid chromatography; insect pests; larvae; lethal dose 50; matrix-assisted laser desorption-ionization mass spectrometry; molecular weight; pH; papain; pest control; polyacrylamide gel electrophoresis; purification methods; seeds; temperature; trypsin
Abstract:
... The present study aims to provide new in vitro and in vivo biochemical information about a novel Kunitz trypsin inhibitor purified from Piptadenia moniliformis seeds. The purification process was performed using TCA precipitation, Trypsin–Sepharose and reversed-phase C18 HPLC chromatography. The inhibitor, named PmTKI, showed an apparent molecular mass of around 19 kDa, visualized by SDS-PAGE, whi ...
DOI:
10.1016/j.plaphy.2013.04.023
PubMed:
23770595

31. The Biology, Physiology and Host–Plant Interactions of Grape Phylloxera Daktulosphaira vitifoliae

Author:
Kevin S. Powell; Paul D. Cooper; Astrid Forneck
Source:
Advances in insect physiology 2013 v.45 no. pp. 159-218
ISSN:
0065-2806
Subject:
Daktulosphaira vitifoliae; Phylloxera; Vitis; genetic variation; geographical distribution; host plants; insect pests; metabolomics; models; phylogeny; physiology; rootstocks
Abstract:
... Grape phylloxera Daktulosphaira vitifoliae (Fitch) is regarded as the most economically important insect pest of commercial grapevines Vitis worldwide. Root-feeding stages are the most economically damaging. Phylloxera has been managed effectively since the use of resistant rootstocks in the late nineteenth century. The more recent genetic characterisation and partial characterisation of the inter ...
DOI:
10.1016/B978-0-12-417165-7.00004-0

32. A Bowman–Birk protease inhibitor with antifeedant and antifungal activity from Dolichos biflorus

Author:
Kalika Kuhar; Rekha Kansal; Bhattiprolu Subrahmanyam; Kirpa Ram Koundal; Kanika Miglani; Vijay Kumar Gupta
Source:
Acta physiologiae plantarum 2013 v.35 no.6 pp. 1887-1903
ISSN:
0137-5881
Subject:
Alternaria alternata; Aspergillus niger; Fusarium oxysporum; Helicoverpa armigera; Macrotyloma uniflorum; adults; antifeedants; antifungal properties; artificial diets; bioassays; insect pests; larvae; larval development; leaf area; minimum inhibitory concentration; molecular weight; mortality; nutritional support; pH; pathogens; polyacrylamide gel electrophoresis; seeds; temperature; transgenic plants; trypsin
Abstract:
... In the present study, 11 varieties of Dolichos biflorus exhibited both protease inhibitor activities as well as in vitro inhibitory activity against Helicoverpa armigera gut protease. A Bowman–Birk protease inhibitor showing activity against trypsin and α-chymotrypsin has been purified from D. biflorus seeds using multi-step strategy. The purified inhibitor revealed a single band on SDS-PAGE corre ...
DOI:
10.1007/s11738-013-1227-8

33. Brain Morphophysiology of Africanized Bee Apis mellifera Exposed to Sublethal Doses of Imidacloprid

Author:
Caroline de Almeida Rossi; Thaisa Cristina Roat; Daiana Antonia Tavares; Priscila Cintra-Socolowski; Osmar Malaspina
Source:
Archives of environmental contamination and toxicology 2013 v.65 no.2 pp. 234-243
ISSN:
0090-4341
Subject:
Apis mellifera; cell death; cell nucleus; chronic exposure; cytotoxicity; exposure assessment; imidacloprid; insect pests; long term effects; mushroom bodies; optic lobe
Abstract:
... Several synthetic substances are used in agricultural areas to combat insect pests; however, the indiscriminate use of these products may affect nontarget insects, such as bees. In Brazil, one of the most widely used insecticides is imidacloprid, which targets the nervous system of insects. Therefore, the aim of this study was to evaluate the effects of chronic exposure to sublethal doses of imida ...
DOI:
10.1007/s00244-013-9897-1
PubMed:
23563487

34. Bt Crops Producing Cry1Ac, Cry2Ab and Cry1F Do Not Harm the Green Lacewing, Chrysoperla rufilabris

Author:
Jun-Ce Tian; Xiang-Ping Wang; Li-Ping Long; Jörg Romeis; Steven E. Naranjo; Richard L. Hellmich; Ping Wang; Elizabeth D. Earle; Anthony M. Shelton; Juan Luis Jurat-Fuentes
Source:
PloS one v.8 no.3 pp. -
ISSN:
1932-6203
Subject:
Bacillus thuringiensis; Chrysoperla rufilabris; Gossypium hirsutum; Spodoptera frugiperda; Trichoplusia ni; Zea mays; bacterial proteins; biological control; broccoli; corn; cotton; crops; crystal proteins; eggs; fecundity; hatching; hosts; insect control; insect pests; insecticidal proteins; insecticide resistance; larvae; natural enemies; nontarget organisms; plant-insect relations; predator-prey relationships; predatory insects; risk; risk assessment; transgenic plants
Abstract:
... The biological control function provided by natural enemies is regarded as a protection goal that should not be harmed by the application of any new pest management tool. Plants producing Cry proteins from the bacterium, Bacillus thuringiensis (Bt), have become a major tactic for controlling pest Lepidoptera on cotton and maize and risk assessment studies are needed to ensure they do not harm impo ...
Handle:
10113/56012
DOI:
10.1371/journal.pone.0060125
PubMed:
23544126
PubMed Central:
PMC3609736

35. Can imitation companion planting interfere with host selection by Brassica pest insects?

Author:
David R. George; Rosemary H. Collier; Diane M. Whitehouse
Source:
Agricultural and forest entomology 2013 v.15 no.1 pp. 106-109
ISSN:
1461-9555
Subject:
Brassica; Brevicoryne brassicae; Brussels sprouts; Plutella xylostella; cole crops; companion crops; host plants; host preferences; insect pests; oviposition; pest management; plastics
Abstract:
... 1 Companion planting with nonhosts may offer a non‐insecticidal means of controlling pests, although the results of studies can be variable and species‐dependent. 2 The effect of companion planting on two pests of Brassica crops, Plutella xylostella (L.) and Brevicoryne brassicae (L.), was examined using Brussels sprout as the host plant and imitation cereal plants made from green plastic as the n ...
DOI:
10.1111/j.1461-9563.2012.00598.x

36. Can resistance in Bemisia tabaci (Homoptera: Aleyrodidae) be overcome with mixtures of neonicotinoids and insect growth regulators?

Author:
Muhammad Basit; Shafqat Saeed; Mushtaq Ahmad Saleem; Ali H. Sayyed
Source:
Crop protection 2013 v.44 pp. 135-141
ISSN:
0261-2194
Subject:
Bemisia tabaci; acetamiprid; bioassays; buprofezin; esterases; insect pests; nitenpyram; pesticide resistance; piperonyl butoxide; pyriproxyfen; synergism; synergists; thiacloprid; thiamethoxam; tobacco
Abstract:
... Tobacco whitefly, Bemisia tabaci is an important polyphagous insect pest which has developed resistance to various insecticides worldwide. Mixtures of insecticides with different modes of action may delay the onset of resistance. Bioassays were performed to investigate the effects of various mixtures of neonicotinoid and insect growth regulator (IGR) insecticides against a susceptible and a resist ...
DOI:
10.1016/j.cropro.2012.10.021

37. Characterizing Spatial Distributions of Insect Pests Across Alaskan Forested Landscape: A Case Study Using Aspen Leaf Miner (Phyllocnistis populiella Chambers)

Author:
Robin M. Reich; John E. Lundquist; Vanessa A. Bravo
Source:
Journal of sustainable forestry 2013 v.32 no.6 pp. 527-548
ISSN:
1540-756X
Subject:
Phyllocnistis populiella; Populus tremuloides; case studies; climate models; climatic zones; cold; forest insects; insect pests; landscapes; leaves; probability; temperature; Alaska
Abstract:
... Insects are ectotherms that cannot regulate their own temperature, and thus rely on and are at the disposal of the surrounding environment. In this study, long-term climatic data are used to stratify forested regions of Alaska into climatic zones based on temperature and precipitation. Temperature and precipitation are shown to be important ecological drivers in determining the distribution of asp ...
DOI:
10.1080/10549811.2013.779198

38. Characterizing the potential distribution of the invasive Asian longhorned beetle (Anoplophora glabripennis) in Worcester County, Massachusetts

Author:
Andrew J. Shatz; John Rogan; Florencia Sangermano; Yelena Ogneva-Himmelberger; Hao Chen
Source:
Applied geography 2013 v.45 pp. 259-268
ISSN:
0143-6228
Subject:
Acer platanoides; Acer rubrum; Acer saccharum subsp. saccharum; Anoplophora glabripennis; geography; habitats; hardwood forests; insect pests; invasive species; issues and policy; model validation; models; pathogens; planting; probability; street trees; towns; weather; Massachusetts; New England region
Abstract:
... The Asian longhorned beetle (ALB) (Anoplophora glabripennis) is an invasive insect pest that has established populations in Worcester County, Massachusetts as of 2008. ALB predominantly targets red maple (Acer rubrum), sugar maple (Acer saccharum), which are prominent in New England hardwood forests, and Norway maple (Acer platanoides), which was planted in built environments as street trees in re ...
DOI:
10.1016/j.apgeog.2013.10.002

39. Chemical Composition and Insecticidal Properties of the Essential Oil of Salvia leriifolia Benth (Lamiaceae) at Two Developmental Stages

Author:
Seyed Mehdi Hashemi; Bahman Hosseini; Alireza Estaji
Source:
Journal of essential oil-bearing plants 2013 v.16 no.6 pp. 806-816
ISSN:
0976-5026
Subject:
Callosobruchus maculatus; Salvia; Sitophilus oryzae; Tribolium castaneum; beta-pinene; chemical composition; cineole; essential oil crops; essential oils; exposure duration; flowering; fumigants; gas chromatography-mass spectrometry; growing season; insect pests; insecticidal properties; leaves; mortality; oils; seasonal variation; toxicity; vegetative growth; volatile compounds
Abstract:
... Aromatic plants contain both volatile and non-volatile fractions and the chemical composition of these two fractions may be influenced by seasonal changes. Salvia leriifolia Benth (Lamiaceae) was collected at two developmental stages and at the same locality throughout the 2011 growing season, were compared in terms of essential oil composition, yields and toxicities. The first collection was done ...
DOI:
10.1080/0972060X.2013.854493

40. Classification of Needle Loss of Individual Scots Pine Trees by Means of Airborne Laser Scanning

Author:
Tuula Kantola; Mikko Vastaranta; Päivi Lyytikäinen-Saarenmaa; Markus Holopainen; Ville Kankare; Mervi Talvitie; Juha Hyyppä
Source:
Forests 2013 v.4 no.2 pp. 386-403
ISSN:
1999-4907
Subject:
Diprion pini; Pinus sylvestris; boreal forests; climate change; coniferous forests; costs and returns; defoliation; ecosystems; forest insects; forest pests; geographical distribution; insect pests; latitude; lidar; mortality; sustainable forestry; temperature; trees; weather; Finland
Abstract:
... Forest disturbances caused by pest insects are threatening ecosystem stability, sustainable forest management and economic return in boreal forests. Climate change and increased extreme weather patterns can magnify the intensity of forest disturbances, particularly at higher latitudes. Due to rapid responses to elevating temperatures, forest insect pests can flexibly change their survival, dispers ...
DOI:
10.3390/f4020386

41. Climate change impacts on plant canopy architecture: implications for pest and pathogen management

Author:
Ireneo B. Pangga; Jim Hanan; Sukumar Chakraborty
Source:
European journal of plant pathology 2013 v.135 no.3 pp. 595-610
ISSN:
0929-1873
Subject:
canopy; carbon dioxide; climate change; crops; disease and pest management; drought; feeding behavior; host-pathogen relationships; inoculum; insect behavior; insect pests; microclimate; models; morphogenesis; pathogen survival; pathogens; plant growth; temperature; trophic relationships
Abstract:
... Climate change influences on pests and pathogens are mainly plant-mediated. Rising carbon dioxide and temperature and altered precipitation modifies plant growth and development with concomitant changes in canopy architecture, size, density, microclimate and the quantity of susceptible tissue. The modified host physiology and canopy microclimate at elevated carbon dioxide influences production, di ...
DOI:
10.1007/s10658-012-0118-y

42. Cloning and characterization of a novel cry8Ab1 gene from Bacillus thuringiensis strain B-JJX with specific toxicity to scarabaeid (Coleoptera: Scarabaeidae) larvae

Author:
Yuan Zhang; Guiling Zheng; Jianxin Tan; Changyou Li; Linyou Cheng
Source:
Microbiological research 2013 v.168 pp. 512-517
ISSN:
0944-5013
Subject:
Bacillus thuringiensis; Scarabaeidae; amino acids; bioassays; biological control; crystal proteins; crystals; genes; insect control; insect pests; insecticidal properties; larvae; lethal concentration 50; mutants; open reading frames; polyacrylamide gel electrophoresis; polymerase chain reaction; restriction fragment length polymorphism; screening; soil sampling; spores; toxicity; China
Abstract:
... Isolation of Bacillus thuringiensis (Bt) strain or its cry gene encoding insecticidal crystal protein (ICP) with specific toxicity is of great importance to biological control of insect pests. In this study, by screening 66 strains of Bt isolated from soil samples collected in Shandong Province, China, a new cry8-type gene from Bt strain B-JJX was identified via PCR-RFLP method. This novel gene, c ...
DOI:
10.1016/j.micres.2013.03.003

43. Cloning and characterization of two genes coding for the histone acetyltransferases, Elp3 and Mof, in brown planthopper (BPH), Nilaparvata lugens (Stål)

Author:
Youli Zhu; Zhijuan Xie; Jian Wang; Yaping Liu; Jianjun Wang
Source:
Gene 2013 v.513 pp. 63-70
ISSN:
0378-1119
Subject:
rice; Nilaparvata lugens; phylogeny; genes; mammals; adults; epigenetics; histones; open reading frames; gene expression; amino acids; Drosophila melanogaster; sequence analysis; messenger RNA; insect pests; complementary DNA; amino acid sequences; molecular cloning; acetyltransferases; acetylation; chromatin
Abstract:
... Histone acetylation is a vital mechanism for the post-translational modifications of chromatin components. Histone acetyltransferases (HATs) are critical elements that determine histone acetylation and regulate chromatin dynamics and gene expression. While histone acetyltransferases have been well studied in mammals and Drosophila melanogaster, information from agriculturally important insect pest ...
DOI:
10.1016/j.gene.2012.10.077
PubMed:
23142031

44. Cloning, Tissue Distribution, and Transmembrane Orientation of the Olfactory Co-Receptor Orco from Two Important Lepidopteran Rice Pests, the Leaffolder (Cnaphalocrocis medinalis) and the Striped Stem Borer (Chilo suppressalis)

Author:
Su LIU; Yuan-jie HUANG; Fei QIAO; Wen-wu ZHOU; Zhong-jun GONG; Jia-an CHENG; Zeng-rong ZHU
Source:
Journal of integrative agriculture 2013 v.12 no.10 pp. 1816-1825
ISSN:
2095-3119
Subject:
Chilo suppressalis; Cnaphalocrocis medinalis; adults; amino acid sequences; antennae; bioinformatics; complementary DNA; females; fluorescent antibody technique; gene expression; insect control; insect pests; leafrollers; males; messenger RNA; moths; neurons; nucleotide sequences; olfactory receptors; prediction; proteins; rice; smell; tissue distribution; tissues
Abstract:
... In insects, the sense of smell is mainly mediated by olfactory receptors (Ors). Olfactory co-receptor (Orco), which is co-expressed with the Ors in almost all olfactory receptor neurons (ORNs), is demonstrated to be an essential component in the insect olfactory system. It can be potential target for developing novel olfactory-disruption strategy to control insect pests. In this study, two full-le ...
DOI:
10.1016/S2095-3119(13)60501-8

45. Cold Storage Enhances the Efficacy and Margin of Security in Postharvest Irradiation Treatments Against Fruit Flies (Diptera: Tephritidae)

Author:
Follett Peter A.; Snook Kirsten
Source:
Journal of economic entomology 2013 v.106 no.5 pp. 2035-2042
ISSN:
0022-0493
Subject:
papayas; diet; insect pests; survival rate; cold storage; transportation; marketing channels; instars; fruit flies; storage temperature; fruit quality; storage time; quarantine; insect larvae; Ceratitis capitata; irradiation; Zeugodacus cucurbitae; adults
Abstract:
... Cold storage is used to preserve fruit quality after harvest during transportation in marketing channels. Low temperature can be a stressor for insects that reduces survivorship, and cold storage may contribute to the efficacy of postharvest quarantine treatments such as irradiation against quarantine insect pests. The combined effect of irradiation and cold storage was examined in a radiation-tol ...

46. Cold tolerance abilities of two entomopathogenic nematodes, Steinernema feltiae and Heterorhabditis bacteriophora

Author:
Farman Ali; David A. Wharton
Source:
Cryobiology 2013 v.66 no.1 pp. 24-29
ISSN:
0011-2240
Subject:
Heterorhabditis bacteriophora; Steinernema feltiae; acclimation; biological control agents; cold stress; cold tolerance; entomopathogenic nematodes; freezing; insect pests; nematode larvae; pathogenicity; shelf life; temperature
Abstract:
... Entomopathogenic nematodes are effective biological control agents against insect pests but their commercial application is restricted by their limited shelf life. This study applies our knowledge of the cold tolerance of nematodes to this problem and investigates further the cold tolerance mechanisms of Steinernema feltiae and Heterorhabditis bacteriophora infective juveniles. When frozen using a ...
DOI:
10.1016/j.cryobiol.2012.10.004

47. Coleoptera as an indicator of restoration of the biotic potential in Ukrainian steppe agroecosystems under a decreasing pesticide load

Author:
A. M. Sumarokov
Source:
Entomological revue 2013 v.93 no.5 pp. 540-547
ISSN:
0013-8738
Subject:
Coleoptera; agroecosystems; crops; insect pests; pesticides; population density; species diversity; steppes
Abstract:
... Reaction of the adult herpetobiont beetles in the agroecosystems of the steppe zone in Ukraine to a decrease of the pesticide load was investigated. In 1999–2005, when pesticide load was reduced by 10–12 times as compared to 1983–1989, the species diversity and population densities of beetles increased considerably. These data suggest that the biotic potential in the agroecosystems can be restored ...
DOI:
10.1134/S0013873813050023

48. Combined effects of three crystalline toxins from Bacillus thuringiensis with seven proteinase inhibitors on beet armyworm, Spodoptera exigua Hübner (Lepidoptera: Noctuidae)

Author:
Yan Ma; Ying Zhang; Rui-Rui Chen; Xiang-Liang Ren; Pin-Jun Wan; Li-Li Mu; Guo-Qing Li
Source:
Pesticide biochemistry and physiology 2013 v.105 no.3 pp. 169-176
ISSN:
0048-3575
Subject:
Bacillus thuringiensis; EDTA (chelating agent); Gossypium hirsutum; Spodoptera exigua; commercialization; cotton; crops; dietary exposure; genetically modified organisms; insect pests; instars; larvae; larval development; midgut; monitoring; mortality; pesticides; proteinases; soybeans; synergism; tannins; toxicity; toxins; trypsin inhibitors
Abstract:
... Spodoptera exigua is a highly polyphagous pest and causes extensive damage to many field and truck crops. Since the larvae are not or only sublethally affected by Cry1Ac, the fused Cry1Ac/Cry1Ab, or the stacked Cry1Ac+CpTI transgenic cottons that are widely planted in China, S. exigua has become a major economic pest of cotton across a wide distribution since the commercialization of Bt cottons in ...
DOI:
10.1016/j.pestbp.2013.01.007

49. Comparative analysis of Solanum stoloniferum responses to probing by the green peach aphid Myzus persicae and the potato aphid Macrosiphum euphorbiae

Author:
Adriana E. Alvarez; Viviana G. Broglia; Anahí M. Alberti D’Amato; Doret Wouters; Edwin van der Vossen; Elisa Garzo; W. Fred Tjallingii; Marcel Dicke; Ben Vosman
Source:
Insect science 2013 v.20 no.2 pp. 207-227
ISSN:
1672-9609
Subject:
insect pests; host plants; Solanum tuberosum; Myzus persicae; Macrosiphum euphorbiae; salivation; phloem; sap; genes; nymphs; Solanum stoloniferum; pest resistance; mesophyll; gene expression regulation; ingestion; mortality; leaves; defense mechanisms
Abstract:
... Plants protect themselves against aphid attacks by species‐specific defense mechanisms. Previously, we have shown that Solanum stoloniferum Schlechtd has resistance factors to Myzus persicae Sulzer (Homoptera: Aphididae) at the epidermal/mesophyll level that are not effective against Macrosiphum euphorbiae Thomas (Homoptera: Aphididae). Here, we compare the nymphal mortality, the pre‐reproductive ...
DOI:
10.1111/j.1744-7917.2012.01505.x
PubMed:
23955861

50. Comparison of crop management strategies involving crop genotype and weed management practices in conventional and more diverse cropping systems

Author:
Robin Gómez; Matt Liebman; David N. Sundberg; Craig A. Chase
Source:
Renewable agriculture and food systems 2013 v.28 no.3 pp. 220-233
ISSN:
1742-1713
Subject:
Avena sativa; Diabrotica; Glycine max; Medicago sativa; Ostrinia nubilalis; Trifolium pratense; Zea mays; active ingredients; corn; costs and returns; crop rotation; crop yield; economic productivity; farmers; fertilizer application; forage legumes; genetic engineering; genotype; glyphosate; herbicide resistance; insect pests; labor; nitrogen fertilizers; planting; small cereal grains; soybeans; transgenic plants; varietal resistance; weed control
Abstract:
... Cropping systems that include forage legumes and small grains in addition to corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] can achieve similar or higher crop productivity and economic return than simpler corn–soybean rotations. We hypothesized that this rotation effect occurs regardless of the crop genotype planted and the herbicide and cultivation regime selected for weed management. To ...
DOI:
10.1017/S1742170512000142