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葡萄病毒病是世界性的葡萄病害，有的病毒使葡萄减产20—80％；有的延迟成熟，影响着色和风味，糖份降低2—6度；有的使树势衰弱乃至死树。葡萄病毒病是随着欧亚种葡萄起源于中亚地区，又随着欧亚种葡萄传遍世界各地。因此凡有葡萄栽培的地区都有病毒病存在。由于病毒病具有潜
Grapevine virus disease is a worldwide grape disease, some of the grapes to reduce the yield of 20-80% of the grapes; some delayed maturity, affecting the coloring and flavor, sugar reduced 2-6 degrees; some weaken the tree and dead trees. Grapevine virus disease is with the Eurasian grape originated in Central Asia, but also with the Eurasian grape spread all over the world. Therefore, all viticulture areas have viral diseases. Because of the potential of the virus disease