葡萄是嘉兴市的主要果树之一,由于葡萄生长时期本市处于高温多雨季节,特别是6～7月份的梅雨天气,湿度大、光照少,非常有利于葡萄病害的滋生蔓延,常常引发病害大流行,严重影响葡萄的品质和造成大面积的减收。病害的严重危害已成为制约本市葡萄生产的重要因素。为了摸清本市葡萄 Grape is one of the main fruit trees in Jiaxing City. Due to the high temperature and rainy season in this city during the grape growing period, especially the rainy days in June and July, the humidity is high and the light is little, which is very beneficial to the growth and development of grape diseases. Popular, seriously affecting the quality of grapes and causing large-scale reduction. Serious damage to the disease has become an important factor restricting the city’s grape production. In order to find out the city grape