Rootworms Resistant to Monsanto Corn in Two States, EPA Says
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The U.S. Environmental Protection Agency said rootworms in Illinois and Iowa have become resistant to an insecticide produced by Monsanto Co. corn, and four more states likely have resistant worms.
The resistance finding is based on a test developed at the Iowa State University rather than the regulatory definition, which is “flawed” and should be changed, the EPA said today in a report examining Monsanto’s product. Likely resistance in South Dakota, Wisconsin, Minnesota and Nebraska fields need to be confirmed, the agency said.