roots of Bt corn hybrids survived corn rootworm feeding vs nonBt corn

Scout Fields for Corn Rootworm

 

Corn & Soybean Digest editor Kurt Lawton went on a root dig this week on a northeast Iowa farm. He explored a Mycogen rootworm test plot with district agronomist Jeff Housman. Check out these scouting tips for corn rootworm damage on roots as well as silks. Housman estimated a 40-50-bu. loss in this test plot based on early indications of rootworm severity.