Synergistic Interactions Between Cry1Ac and Natural Cotton Defenses Limit Survival of Cry1Ac-resistant Helicoverpa Zea (Lepidoptera: Noctuidae) on Bt Cotton

Larvae of the bollworm Helicoverpa zea (Boddie) show some tolerance to Bacillus thuringiensis (Bt) Cry1Ac, and can survive on Cry1Ac-expressing Bt cotton, which should increase resistance development concerns. However, field-evolved resistance has not yet been observed. In a previous study, a popula...

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Veröffentlicht in:	Journal of chemical ecology 2009-07, Vol.35 (7), p.785-795
Hauptverfasser:	Anilkumar, Konasale J, Sivasupramaniam, Sakuntala, Head, Graham, Orth, Robert, Van Santen, Edzard, Moar, William J
Format:	Artikel
Sprache:	eng
Schlagworte:	Agriculture Animals Artificial diets Bacillus thuringiensis Bacterial Proteins - pharmacology Bioassays Biochemistry Biological Microscopy biological resistance Biomedical and Life Sciences Bt resistance Chemical ecology Cotton cotton powder crystal proteins delta-endotoxins Ecology Endotoxins - pharmacology Entomology Flowers - chemistry Gossypium - chemistry Gossypium hirsutum gossypol Gossypol - pharmacology Helicoverpa zea Hemolysin Proteins - pharmacology Insecticide Resistance Insecticides - pharmacology Larva - drug effects Larvae Larval development Lepidoptera - drug effects Life Sciences mortality Pest control Pest Control, Biological Pesticide Synergists Plant biology plant defense Survival synergism Toxins transgenic plants Worms
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