Evaluations of Bollgard®, Bollgard II®, and Widestrike® Technologies Against Beet and Fall Armyworm Larvae (Lepidoptera: Noctuidae)
Abstract
Transgenic cottons containing the Bollgard®, Bollgard II® and WideStrike® traits were grown in 2005 and 2007 to examine the efficacy against beet armyworm Spodoptera exigua (Hübner) and fall armyworms S. frugiperda (J. E. Smith). Results suggest that both dual-gene traits are more efficacious against these armyworm species than Bollgard®. In these studies, WideStrike® appears to be more efficacious against fall armyworms than Bollgard II®, while Bollgard II® is more efficacious against beet armyworms than WideStrike®. Possible reasons for these differences in efficacy are discussed.View this article in BioOne
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