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瓠瓜是宁波市蔬菜基地棚栽瓜类仅次于黄瓜的大宗蔬菜。近年来,瓠瓜枯萎病的发生为害渐趋严重,1998、1999年的4～5月份株病率高达20%～40%,有的尚未结瓜即已枯死,有的结瓜后枯萎,损失很大,现将近二年来对瓠瓜枯萎病的发生症状表现与药剂防治结果初报如下。1 材料与方法11 发病
瓠 melon is a vegetable base in Ningbo City shed cucumbers after cucumber bulk vegetables. In recent years, the incidence of cucumber wilt wilt disease gradually worse, from 1998 to 1999, 4 to May, the plant disease rate as high as 20% to 40%, and some have not yet knot that is dead, and some after the melon wilt, loss Large, now nearly two years on the occurrence of cucumber wilt disease symptoms and drug control results reported below. 1 Materials and Methods 11 disease