Tag Archives | pest resistance


GM Cotton Gets First Resistant Pest

Bollworm are the first pests to evolve resistance in the field to cotton plants modified to produce an insecticide called Bt, according to a new research report in Nature Biotechnology. Bt-resistant populations of bollworm, Helicoverpa zea, were found in more than a dozen crop fields in Mississippi and Arkansas between 2003 and 2006. “What we’re […]

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