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Pesticide Toxicology Laboratory

ISU Entomology / Pesticide Toxicology Laboratory / Field and laboratory evaluations of transgenic Bacillus thuringiensis corn on secondary Lepidopteran pests (Lepidoptera:Noctuidae)

Field and laboratory evaluations of transgenic Bacillus thuringiensis corn on secondary Lepidopteran pests (Lepidoptera:Noctuidae)

Authors: Pilcher, C.D., Rice, M.E., Obrycki, J.J., Lewis, L.C.
Journal, Volume, Year: Journal of Economic Entomology, volume 90(2):669-678, 1997
Summary

Four secondary lepidopteran pests were evaluated for susceptibility to Bt corn. No effects were observed on larval survival, pupal weigh, or days to emergence for Agrotis ipsilon or Papaipema nebris. Lower pupal weigh and delayed development was observed for Pseudaletia unipuncta. In a field study, Bt and non-Bt corn was artificially infested with the four pests. No differences were found in plant damage for A. ipsilon, slight differences found for P. nebris, and significantly less damage caused by P. unipuncta and H. zea to Bt corn.

Comments

This study showed Bt effects on lesser target effects.