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 ...

Nearly 30 years ago, Australia's first genetically modified field crop was planted: Bt cotton. CSIRO scientists helped develop this insect-resistant cotton variety, using a gene derived from a soil ...

In the early 2000s, genetically modified (GM) Bt insecticidal cotton was being heavily promoted in India on the basis that it would cut pesticide use dramatically, boost yields and contribute to the ...

WEST LAFAYETTE, Ind. -- Corn farmers could learn a lesson from cotton producers: Planting crops genetically engineered to be insect-resistant works in the short run, but also could increase the number ...

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 ...