黄瓜疫病是天津郊区黄瓜上的严重病害,常造成黄瓜的大面积死亡。春季主要危害保护地黄瓜,因年年重茬,发病越来越重。露地以夏秋季黄瓜受害较重,常引起成片毁种。几年来,我们采用了种子处理,土壤处理及生育期防治的系统措施,取得了较好的防治效果,现将防治方法简介于下。 1.种子消毒:用10％磷酸三钠或1000倍高锰酸钾溶液在液 Cucumber blight is a serious disease on the suburbs of cucumber in Tianjin, often resulting in a large area of ​​cucumber deaths. The main damage to the spring of cucumber, due to successive cropping, the incidence of more and more heavy. Exposed to the summer and fall heavier cucumber, often caused by film devastating species. In recent years, we have adopted systematic measures for seed treatment, soil treatment and growth control, and have achieved good control effects. Now the prevention and treatment methods are summarized below. 1. Seeds disinfection: with 10% trisodium phosphate or 1000 times potassium permanganate solution in the liquid