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为防治黄瓜白粉病,开展了30%戊唑醇·嘧菌酯悬浮剂、250g/l戊唑醇悬浮剂、250g/l嘧菌酯悬浮剂对黄瓜白粉病的防治效果试验。结果表明,30%戊唑醇·嘧菌酯悬浮剂对黄瓜白粉病有较好的防治效果。使用剂量为35g/667m2、45g/667m2时,第1次药后7d,防效分别为73.72%、78.30%,第2次药后10d,防效分别为70.45%、75.20%。推荐生产上使用制剂量为35~45g/667m2。
To control cucumber powdery mildew, the control experiment of cucumber powdery mildew was carried out with 30% tebuconazole and azoxystrobin, 250 g / l tebuconazole and 250 g / l azoxystrobin. The results showed that 30% tebuconazole azoxystrobin suspension cucumber powdery mildew has a better control effect. At the dosage of 35g / 667m2 and 45g / 667m2, the control effects were 73.72% and 78.30% respectively at the 7th day after the first drug treatment, and the control effects were 70.45% and 75.20% respectively at the 10th day after the 2nd drug treatment. The recommended production dosage is 35 ~ 45g / 667m2.