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 ...

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 ...

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 ...

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 ...

A collaborative team of researchers just used viruses to chivvy along evolution, resulting in a new bacterial toxin useful on pesticide-resistant insects. It calls to mind that old saying: the enemy ...

Genetically engineered crops are often broken down into two categories, herbicide tolerant and plant-incorporated protectants (PIPs). In addition, crops are also engineered or “stacked” to express ...

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 ...

RALEIGH – For the past 25 years, U.S. farmers have been able to use genetically modified crops that produce their own pesticides. Among other things, this meant that farmers were able to grow healthy ...