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Pesticide Toxicology Laboratory

ISU Entomology / Pesticide Toxicology Laboratory / Field evaluation and potential ecological impact of transgenic cottons (Gossypium hirsutum) in Australia

Field evaluation and potential ecological impact of transgenic cottons (Gossypium hirsutum) in Australia

Authors: Fitt, G.P., Mares, C.L., Llewellyn, D.J.
Journal, Volume, Year: Biocontrol Science and Technology, volume 4:535-548, 1994
Summary

Transgenic cotton plants (MON81) expressing CryIAb delta-endotoxin from Bt kurstaki were used in field studies to determine efficacy against Helicoverpa, risk of resistance, and effects on beneficial and non-target arthropods. Field trials showed good efficacy against Helicoverpa; however, reduced chemical use for Helicoverpa could favor an increase in abundance of minor pests.

Comments

Focus is mostly on efficacy and possible resistance problems.