黑穗醋栗白粉病是由[Sphaerothca mor-suvae(Schwein)Berk.ct Curt.]病菌侵染所致,是黑穗醋栗一大病害,严重影响黑穗醋栗的生产,发病率高达100%,一般降低产量10～50%。因此我们选用了三种药剂进行试验,明确了三唑酮防治黑穗醋栗白粉病效果。一、材料和方法试验药剂:20%三唑酮乳油,江苏建湖农药厂生产;70%甲基硫菌灵可湿性粉剂,日本 Blackcurrant powdery mildew is caused by the infection of [Sphaerothca mor-suvae (Schwein) Berk.ct Curt.], Which is a serious disease of black currant and seriously affects the production of black currant. The incidence rate is as high as 100 %, Generally reduce the yield of 10 to 50%. Therefore, we selected three agents to test, clear triadimefon blackcurrant powdery mildew control effect. First, the materials and methods Test agents: 20% triadimefon EC, Jiangsu Jianhu Pesticide Factory production; 70% thiophanate-methyl wettable powder, Japan