rootworm

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Pests Evolve to Eat Corn Designed to Kill Them
Pests Evolve to Eat Corn
Designed to Kill Them
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Pests Evolve to Eat Corn Designed to Kill Them

Corn rootworm is once again making a dent in farmers' crops

(Newser) - A hungry pest known as the western corn rootworm is gradually developing a resistance to genetically modified crops engineered to kill it, reports Nature . Entomologists say they're discovering more and more of the beetles that show no ill effects after chowing down on fields of Bt corn—so named...

As GMO Corn Weakens, Pesticides Are Back

Rootworms developing resistance to Monsanto gene

(Newser) - In 2003, Monsanto debuted corn seeds with a gene—Bt—that generates pest-killing toxins designed to resist the ravages of rootworm. Soil insecticide use cratered as a result, with only 9% of corn acreage nationwide treated with it in 2010, down from 25% in 2005. But then things started to...

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