Transgenic canola plants in north dakota had received genes making them resistant to herbicides , such as the weed killer roundup .
种植于北达科他州的转基因油菜中植入了抗除草剂基因,使之对“农达”等除草剂产生抗性。
Farmers pay a big premium for seeds containing such genes because they equip plants to , for example , tolerate exposure to monsanto 's popular roundup herbicide or produce their own insecticides .
An estimated 11 million acres are infested with " super weeds , " some of which grow several inches in a day and defy even multiple dousings of the world 's top-selling herbicide , roundup , whose active ingredient is glyphosate .
Since 1996 , monsanto has held a european patent on genes that give soya beans resistance to the company 's roundup herbicide - specifically the active ingredient glyphosate .
The roundup ready system has helped farmers grow more corn , soybeans , cotton and other crops while reducing detrimental soil tillage practices , killing weeds easily and cheaply .
And baby skin is very different from grown-up skin , according to a roundup of the latest info in the journal pediatrics .
但是按照小儿科学报的一份最新摘要称,婴儿的皮肤与成年人的有很大的不同。
Today we have a recent roundup of animals making the news - from the study of newly identified species to genetic modification , to racing , hunting , play , rescue and preservation .