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我国是世界玉米生产第2大国,常年种植面积约2000万ｈｍ2,总产达750亿ｋｇ,玉米单产达1554ｋｇ/667ｍ2。但由于病害的发生,对玉米造成极大的危害,尤其是病毒病更是对玉米生产构成严重威胁[1～3]。世界上已发现40多种玉米病毒病。在我国危害最大的是玉米粗缩病毒(Ｍａｉｚｅ...
China is the second largest corn producer in the world with annual planting area of 20 million hm2 and total output of 75 billion kg and corn yield of 1554 kg / 667 m2. However, due to the occurrence of the disease, it causes great harm to the corn, especially the virus disease poses a serious threat to the corn production [1-3]. More than 40 kinds of corn virus diseases have been found in the world. In our country is the most damaging corn rough virus (Maize ...