corn rootworm

Agriculture
5:29 pm
Thu April 10, 2014

Corn farmers fight rootworm resistance

New research confirms what many Midwest farmers have already suspected: The corn rootworm can develop resistance to varieties genetically modified to thwart the pest. Here, rootworm damage in an Iowa field ruined a corn crop.
Credit Courtesy Aaron Gassmann

After a long battle with corn rootworm, Midwest farmers thought they’d found relief in genetically modified seeds engineered to produce toxins deadly to the pest. But recent research confirms what farmers have been noticing for several years: the western corn rootworm has been evolving to outwit the technology.

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Science, Health and Technology
9:00 am
Mon March 12, 2012

Scientists say pesticide not fending off corn rootworm

jungmoon Flickr

Insect scientists say biotech corn is losing its ability to fend off a major insect pest known as the corn rootworm.  The scientists say continued widespread use of genetically-modified corn will only make the problem worse.

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