Since 1996, corn containing a gene that allows it to create a protein that is toxic to certain insects, yet safe for human consumption, has been grown in the United States. However, most of this "Bt ...

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 ...

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.

Critics often raise concern that genetically engineered crops might harm the environment or people who eat them. But now a new study finds that farmers who plant Bt corn reduce crop damage and ...

The world's most widely used organic insecticide, a plucky bacterium known as Bacillus thuringiensis or Bt for short, requires the assistance of other microbes to perform its insect-slaying work, a ...

WEST LAFAYETTE, Ind. -- Planting Bt corn fence row to fence row could potentially eliminate it from farmers' list of options for pest control, two Purdue University entomologists warn. The corn is ...

But now, Bt corn has become, basically, too successful: Rootworms are starting to develop immunity to this prevalent crop, driving farmers to return to insecticide use. The Wall Street Journal reports ...

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 ...

MANKATO, Minn. - If a farmer cuts costs on corn foliar fungicides and Bt (Bacillus thuringiensis) insecticide treatments, will it cost them later in rootworm and corn borer damage? Bruce Potter, ...

Question: Tiny caterpillars have shredded the leaves on my hardy hibiscus both this year and last. I sprayed with Bt insecticide but it didn't help. Any suggestions? Phyllis D., Tulsa Answer: The ...