But the seeds can be consumed only after an extensive refining process removes the gossypol, a toxic chemical that helps protect the plant from insect and microbe infestation.

但是，只有在经过一道去除棉子酚的深加工精炼程序之后，棉籽才能食用。棉子酚能保护棉花植株免受昆虫及微生物的侵扰，是一种有毒的化学物质。

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Vietnam, whose rice crop was hit by a major insect infestation during the harvest, announced a four-month suspension of exports to ensure that enough would be available for its domestic market.

今年的早些时候, 印度宣布为了重建其粮食储备, 暂时停止大部分的大米出口. 短短的几周后, 越南由于其稻米庄稼在收成期受到大规模的昆虫灾害袭击, 宣布4个月的大米出口暂停, 来保障足够的国内市场供应.

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So, by removing totting wood, salvage logging helps minimize the dangers of insect infestation, thus contributing to the health of the forest.

所以，通过移走这些腐烂的木头，回收性砍伐可以降低虫害侵袭的危险，进而保护森林的健康。

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Many of our forests have also been hit by disease and insect infestation that pose a mortal threat to their future.

FORBES: Fact and Comment

This, they hope, will help to overcome fears that continuous production of bt (as happens in current versions of the technology) actually promotes insect infestation rather than deterring it, because it stimulates the evolution of resistance.

ECONOMIST: Terminator genes

D-shaped holes in the bark or new tree shoots emerging at the root zone of your ash trees may be a sign of infestation by the Emerald Ash Borer, an insect native to the Far East that targets ash trees, says Dave Dailey of Birchcrest Tree and Landscape, in Rochester, N.

WSJ: Getting to the Roots of Your Trees' Stress