When insects bite genetically modified Bt corn and cotton, they get a mouthful of a built-in toxin, produced by every cell of the plant.

当昆虫叮咬基因改造后的Bt菌玉米，他们叮咬的其实是满口的内置毒素，植物的每一个细胞都会产生这样的毒素。

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The progress of laboratory and field assessment of Bt corn and cotton on non-target arthropods and resistance management of target insects were reviewed in this article.

本文在大量室内和田间评价工作的基础上，系统综述了国内外研究在该领域内取得的进展。

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Bt is used as a pesticide to fight cotton bollworms, corn borers and other pests.

VOA: special.2009.10.27

Monsanto has received U.S. Department of Agriculture approval for commercial sale of Bt strains of corn, potatoes and cotton.

CNN: Researchers find bio-engineered corn harms butterflies