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2011年1月17日,美国普渡大学(Purdue University)退休教授唐·胡伯(Don Huber)发给美国农业部一封密信,信中说一组资深植物学家和动物科学家在电子显微镜下发现了一个新的病原体。这个病原体看上去对植物、动物、或许人类的健康有巨大的影响。更进一步的影响有可能是导致美国大豆和玉米出口市场的崩溃,而且破坏美国国内食品和饲料的供应。信中还宣称这种新病原体在抗草甘膦转基因作物中更普遍,而且有可能会导致喂转基因饲料的动物繁殖失败,同样也有可能会导致人产生疾病。胡伯的信中还有另一个值得注意的声称是关于草甘膦对植物摄入矿物质的影响。胡伯是美国农业部国家植物病害修复系统委员会中植物病理协会的代表,负责控制某些植物病害对美国农业的危害。不久,同是美国普度大学的6位教授联名写了一封题为《草甘膦对农作物产量和疾病发生的影响》的文章对胡伯提到的草甘膦引起作物产量下降以及疾病入侵的问题进行了反驳。信中提到,胡伯信中没有提供任何数据,也没有引用任何数据,而且也没有说明合作者是谁,他的说法也没有得到科学界的认证。
On January 17, 2011, Don Huber, a retired professor at Purdue University in the United States, sent a letter to the U.S. Department of Agriculture saying that a group of senior botanists and animal scientists had studied electron microscopy A new pathogen was discovered. This pathogen appears to have a huge impact on plants, animals, and perhaps human health. A further impact could be the collapse of the U.S. export markets for soybeans and maize and the disruption of the supply of food and feed in the United States. The letter also claims that the new pathogen is more prevalent in glyphosate resistant GM crops and may cause failure in the breeding of animals fed GM feed and may also cause illness in humans. Another noteworthy claim from Huber's letter is about the effect of glyphosate on plant uptake of minerals. Huber is a representative of the Plant Pathology Society of the National Plant Disease Rehabilitation Systems Board of the United States Department of Agriculture and is responsible for controlling the damage to certain U.S. plant diseases caused by certain plant diseases. Shortly after, an article entitled “Effect of glyphosate on crop yield and disease” was co-written by six professors at Purdue University in the United States about the decline in crop yield and disease invasion caused by glyphosate by Huber The question was refuted. The letter mentions that no data were provided or no data were quoted from Huber's letter, nor did he state who the collaborators were and his claim was not certified by the scientific community.