Top Story: Seed corn tech

tractor planting corn

New seed corn technology comes
with risks, entomologist says

By Steve Leer
April 14, 2011

Bags of corn seed that mix genetically modified hybrids with and without Bt toxins that kill insects provide farmers easier compliance with federal regulations but could, over time, hasten insect resistance to Bt, a Purdue University entomologist said.

Although "refuge-in-a-bag" seed technology has been approved for use by the U.S. Environmental Protection Agency, questions still remain over its long-term effect on corn rootworms, the main pest targeted by the technology, said Christian Krupke.

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