Pesticide use is surging among U.S. farmers who are worried about insect resistance to Bt corn. But scientists warn that overuse of chemicals may create a worse problem down the road. Pesticide use is ...

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.

A new way to combat resistant pests stems from discovering how the widely used natural insecticide Bt kills insects. Figuring out how Bt toxins punch holes in the cells of an insect's gut was the key ...

A cocktail of insecticides containing a plant protein and a common insecticide may be more lethal to crop pests than either ingredient used alone, according to biologists. The one-two punch also ...

So-called Bt corn, genetically engineered to make its own insecticide, may be losing its distinctive ability to kill pests _ a possible result of careless farming practices that could give rise to ...

AMES — Western corn rootworm resistance to Bt corn is increasing, and if farmers hope to maintain Bt traits as tools, they need to diversify their management, said Aaron Gassmann, Iowa State ...