Tag: refuge crop

The Problems Driving Resistance to Bt Crops—and Some Proposed Solutions

Cotton and corn are threatened by growing resistance in the pest Helicoverpa zea (a.k.a. bollworm or corn earworm) to the insecticidal properties of Bt crops. Two researchers identify contributing factors and identify insecticide resistance management practices that could help slow the problem.

Entomology Today October 23, 2018 Leave a Comment

Maintaining Susceptibility to Insecticidal Traits in Populations of Corn Pests

Should growers that use Bt crops plant a separate nearby refuge field of non-insecticidal crops, or use a blended mixture of seeds that produce both in the same field?

Study Finds Many Bt Corn Growers Aren’t Planting Refuge Crops

By Josh Lancette A new study from North Carolina found that corn growers in the state are not planting as much refuge crop as needed, potentially leading to increased insect […]