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Pesticide Toxicology Laboratory

ISU Entomology / Pesticide Toxicology Laboratory / Transgenic resistance to the Colorado potato beetle in Bt-expressing eggplant fields

Transgenic resistance to the Colorado potato beetle in Bt-expressing eggplant fields

Authors: Acciarri, N., Vitelli, G., Arpaia, S., Mennella, G., Sunseri, F., Rotino, L.G.
Journal, Volume, Year: Hortscience, volume 35(4):722-725, 2000
Summary

This was mostly an efficacy study of transgenic eggplant (Cry3B) against CPB (Leptinotarsa decemlineata) with some nontarget assessment thrown in (one field). Crysoperla carnea, Myzus persicae, flea beetles (Altica sp.), and potato tuber moth (Phthorimaea operculella) numbers were not significantly different between treatments. The flea beetle caused greater damage in the transgenic plots. The potato tuber moth caused less damage in transgenic plots.

Comments

Authors claim both specificity (flea beetle) and larger range of efficacy (moth). Very inaccurate statement and the nontarget assessment was poor. Authors state that there were no development problems, but they only examined feeding damage.