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为验证360g/L戊唑醇·嘧菌酯SC防治黄瓜白粉病效果,我们开展了相关药效试验。试验结果表明,360g/L戊唑醇·嘧菌酯SC对黄瓜白粉病有较好的防治效果,其3000倍液、2000倍液、1300倍液处理第1次药后7d防治效果分别为80.1%、85.0%和90.3%,第2次药后10d防治效果分别为82.8%、87.4%和92.1%。建议黄瓜生产上使用360g/L戊唑醇·嘧菌酯SC2000~3000倍液防治白粉病。
In order to verify the effect of 360g / L tebuconazole and azoxystrobin SC against cucumber powdery mildew, we carried out the related efficacy test. The results showed that 360g / L tebuconazole and azoxystrobin SC had better control effect on cucumber powdery mildew. The control effect of 7 times of 3000 times liquid, 2000 times liquid and 1300 times liquid after the first medicine were 80.1 %, 85.0% and 90.3% respectively. The control effects of the second drug after 10 days were 82.8%, 87.4% and 92.1% respectively. It is recommended to use 360g / L tebuconazole and azoxystrobin SC2000 ~ 3000 times to control powdery mildew on cucumber production.