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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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