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pests at Biology News

Plants give pests sock in the gut

A novel enzyme in corn helps the plants defend themselves from voracious caterpillars by disrupting the insects' ability to digest food, and ultimately killing them, according to researchers. The enzyme could be used in tandem with other biological pesticides such as the Bt toxin to prevent the pests from developing resistance and making the toxin more effective. "The enzyme is found in in...

New possibilities to fight pests with biological means

Corn plants emit a cocktail of scents when they are attacked by certain pests, such as a caterpillar known as the Egyptian cotton leaf worm. Parasitic wasps use these plant scents to localize the caterpillar and deposit their eggs on it, so that their offspring can feed on the caterpillar. Soon after, the caterpillar dies and the plant is relieved from its attacker. In the case of corn, o...
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