Bt maize has revolutionized pest control and many farmers have benefited, but some people remain skeptical of this new technology. Bacillus thuringiensis is a species of bacteria that produces ...

velox. However, when combining petroleum oil with avermectin, a synergistic effect elevated the toxicity to moderate. Azadirachtin, Bacillus thuringiensis, and diflubenzuron showed low impact on H.

University of Minnesota Extension entomologist Now that we have left the doldrums of winter behind us, the promise of a new growing season beckons. Although we hope we don’t encounter ...