资讯

Bt itself is widely used as an insecticide, mostly by organic farmers. Because the Bt-producing crops kill some key pests, farmers spray less insecticide to control those pests.
A new study published in the Journal of Economic Entomology suggests that Bt sweet corn is better for the environment because it requires fewer pesticide applications than conventional corn.
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 ...
A study of GMO cotton varieties shows they disrupt an important beneficial soil fungus, writes Eva Sirinathsinghji, apparently due to the Bt insecticide they are engineered to express. Disruption ...
Since then, a host of studies have quantified the benefits—in pesticide use, yields, and insect resistance—of so-called Bt maize compared unmodified corn. In a study released this week (March 12) in ...
Purdue News October 1996. Plant smart to avoid Bt-resistant corn borer, experts advise WEST LAFAYETTE, Ind. -- Corn farmers could learn a lesson from cotton producers: Planting crops genetically ...
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 ...