Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 294 for “"Bt"”.
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Evaluation of transgenic, Bt-containing corn hybrids
… containing a modified Bacillus thuringiensis (Bt) gene have been produced and may provide a new method of managing ECB.
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Impact of Natural Mortality Factors on Populations of the European Corn Borer in Bt- and Non-Bt-Corn Fields in Illinois
… of natural enemies of European corn borer in Bt cornfields. The findings were compared with assessments of the effects of natural enemies in non-Bt cornfields. In my study, corn type did not seem to affect the percentage of eggs parasitized by Trichogramma, the percentage of larvae parasitized …
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Making a Bioempire: The Indian Encounter with Bt Technology
… of neoliberalism and the commercialization of Bt (Bacillus thuringiensis) cotton in India. Situated against an intensified agrarian crisis in India, it explores the dynamic relationship among the triad of a neoliberlizing Indian State, global neoliberal regimes and transnational corporations. …
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Monitoring der Resistenzentwicklung des Maiszünsler (Ostrinia nubilalis), Hübner) gegenüber Bt-Mais
… und das Monitoring resistenter Maiszünsler auf Bt-Maisflächen verwendet um die Resistenzhäufigkeiten zweier Populationen in Deutschland zu ermitteln. Die hier vorgestellten Ergebnisse können für die Planung und Durchführung von Resistenzmanagement-Programmen in Deutschland eingesetzt werden. Sie …
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Untersuchungen der genetischen Diversität von Maiszünsler-Populationen (Ostrinia nubilalis, Hbn.) und ihrer Suszeptibilität gegenüber dem Bacillus thuringiensis (Bt)-Toxin als Grundlage für ein Resistenzmanagement in Bt-Maiskulturen
… cultivars expressing Bacillus thuringiensis (Bt) toxin need management to avoid resistance development of the target pest species European corn borer (Ostrinia nubilalis Huebner), the most important insect pest in corn. The European Corn Borer can reduce yields up to 20%. Due to the continuous …
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Biosafety research into Diabrotica resistant Bt-maize: indicator organisms and monitoring methods
… maize plants is based on the expression of the Bt-protein Cry3Bb1 in all green tissued. This protein is supposed to be specific against leaf beetles (Chrysomelidae). The potential impact of the cultivation of the Bt-maize variety MON88017 on non-target arthropods in the maize herb-layer was …
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Resistance management of western corn rootworm (Coleoptera: Chrysomelidae) in transgenic Bt maize
… from the bacterium Bacillus thuringiensis (Bt) has been used to manage western corn rootworm, a major pest of maize, since 2003. However, this pest rapidly evolved resistance to Bt traits expressed in maize for rootworm management. This research examines several aspects of resistance …
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Ökologische und phytomedizinische Untersuchungen zum Anbau von Bt-Mais im Maiszünsler-Befallsgebiet Oderbruch
… der Anbau von Bacillus thuringiensis-Mais (Bt-Mais). Mit Hilfe der Gentechnik wurden Gene des Bakteriums Bacillus thuringiensis übertragen, die einen für Fraßinsekten giftigen Wirkstoff bilden, wodurch die Pflanzen während der kompletten Vegetation vor den Larven des Maiszünslers geschützt …
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Effekte des Anbaus von Bt-Mais auf Nichtzielarthropoden der Krautschichtfauna : Monitoringorganismen und praktikable Erfassungsmethoden
… to determine possible unintended effects of Bt-maize (Mon810, cultivar Novelis) cultivation on nontarget organisms of the arthropod community compared with an isogenic maize line (cultivar Nobilis) with and without an insecticide treatment. Furthermore, suitable monitoring organisms and …
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Desempenho de populações de Spodoptera frugiperda em milhos Bt Cry1A.105 + Cry2Ab e Vip3A
… toxinas inseticidas de Bacillus thuringiensis (Bt) na agricultura mundial. Atualmente no Brasil, são amplamente usados para controle de Spodoptera frugiperda (Lepidoptera: Noctuidae), milhos Bt de segunda geração (i.e., piramidados), entre os quais estão aqueles que expressam toxinas Bt …
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An Ex-Ante Economic Impact Assessment of Bt Eggplant in Bangladesh, the Philippines and India
… projects the economic impact of adoption of Bt eggplant in India, Bangladesh and Philippines. The welfare benefits from adoption of Bt eggplant are projected to be positive in all three countries. The welfare gains from adoption (discounted at 5 percent) are projected to be US $ 411 million …
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Sistema de monitoreo en transformadores MT/BT para la detección de fallas en redes de distribución
El funcionamiento eficiente de las redes de distribución es fundamental para garantizar el suministro fiable de electricidad a los usuarios finales. Sin embargo, estas redes están sujetas a varios tipos de fallas, como cortocircuitos, sobrecargas y fallas en los equipos, que pueden provocar cortes …
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Evaluation of Repairs Conducted on Full-Scale, Non-Conforming/Defective Prestressed Concrete Girders (PCI BT-54)
… and full-scale experimental testing of BT-54 girders with simulated nonconformance issues. Results showed that top flange repairs consistently exceeded original girder strength, while bottom flange repairs were generally effective except in bearing zones and transfer regions, where …
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Inheritance, fitness costs, and potential mechanisms of resistance for western corn rootworm larvae surviving Bt corn
… the bacterium Bacillus thuringiensis Berliner (Bt), cause mortality to target pests when ingested. In an attempt to delay resistance formation to these Bt products, the Environmental Protection Agency mandates the development of an insect resistance management program prior to registration for …
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Repurposing BT-11 to Treat Alzheimer’s Disease: Exploring the Glutathione-s-transferase LANCL2 as a Target
… new pharmaceuticals.</p> <p>One of such drugs is BT-11, which is an orally active lanthionine synthetase C-like 2 (LANCL2) binding compound, shown to reduce inflammation in the gut and improve cognitive function. Additionally, LANCL2 was identified as a glutathione-s-transferase, suggesting a role …
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Evaluating the effect of foliar insecticides on suspected Bt-resistant western corn rootworms in rotated soybean
… eggs in both corn and soybean fields. Commercial Bt corn hybrids targeting this pest have been widely adopted and were an effective tool to manage the rotation-resistant western corn rootworm. Until recently, documentation of field-evolved resistance by western corn rootworm to Bt traits was …
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A Study of Neonicotinoid Seed Treatments in Bt Maize: Insect Resistance Management, Efficacy, and Environmental Fate
… of genes derived from Bacillus thuringiensis (Bt), occupies more than 75% of maize acreage. Among a variety of secondary pests targeted by NSTs, the primary soil-dwelling pest targeted by Bt maize is the western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte (Coleoptera: …
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