Corn requires half-inch long fresh silks at the tips of ears in order to pollinate. When pests clip silks shorter than that, pollination won’t happen. “When pollen drops, you need the silks to receive ...

Both species complete one generation per growing season. Rootworm eggs overwinter in the soil and hatch in the spring. After hatching, the larvae go through three instars and feed on corn roots for ...

The combination of a mild winter and spring windstorms coupled with farmers’ cultural practices are creating the potential for increased insect pressure in corn this season. Though no alarms are ...

AMES, Iowa – A researcher at Iowa State University is urging Iowa farmers to adopt a diverse range of pest management tactics to suppress the resistance of western corn rootworm to Bt corn, a widely ...

WEST LAFAYETTE, Ind. - Volunteer corn can act as a safe harbor for some pests by expressing lower doses of the insecticide found in newly planted corn, according to Purdue University researchers.

Corn rootworm is rearing its tiny head in abundance in a growing number of corn fields in the Corn Belt, according to experts in the field. University of Minnesota Extension corn entomologist Fei Yang ...

If you garden anywhere near a cornfield you have our sympathy. We have heard from some gardeners who are blaming soybean aphids for destroying the blossoms on flowers starting around the middle of ...

This is bad news for some farmers in the Eastern Corn Belt, who use crop rotations between soybeans and corn to control the pest. Because the new variant thrives in soybean fields, it increases the ...

WESLEY, Iowa — Western corn rootworm is a big challenge, said Erin Hodgson, ISU Extension entomologist. She shared research and management recommendations at the recent North Central Iowa Research ...

NASHUA, Iowa -Western corn rootworms in northeast Iowa have shown resistance to the Cry3Bb1 strain of Bacillus thuringiensis found in the YieldGard rootworm corn trait. Aaron Gassmann, Iowa State ...

If you know anything about raising crops, you know that insects and weeds constantly evolve and build resistance to existing methods of controlling them Now, new research targets the western corn ...

In Kansas, the western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), is one of the most economically important pests of corn. Crop losses and control costs ...