Sentences with phrase «bollworms developing»

Part of the problem in bollworms developing resistance to the Bt toxin is over-cultivation of the GM crop, in the sense of planting too much of it close together and not providing so - called «refuge» space between fields and farms.

Not exact matches

The bollworm, commonly found in Australia, attacks more crops and develops much more resistance to pesticides than the earworm.

Scientists from the UA and the U.S. Department of Agriculture worked closely with cotton growers in Arizona to develop and implement resistance management strategies such as providing «refuges» of standard cotton plants that do not produce Bt proteins and releasing sterile pink bollworm moths.

This particular study did not examine whether the bollworms survived because they developed a resistance the toxin or because the toxin present in the cotton was insufficient to kill them.

With about 90 percent area under Bt cotton, bollworms can develop resistance soon.

Back in March of this year, however, Monsanto admitted that pink bollworms had developed resistance to Bt cotton in the Indian state of Gujarat, in plots where the single gene variety (Bollgard I) of the GM crop was planted.