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应用75%肟菌·戊唑醇水分散粒剂16 g、20 g/667m2,18.7%醚菌酯·丙环唑悬浮剂50 g/667m2,25%吡唑醚菌酯乳油50 g/667m2防治玉米叶斑病。药后10 d病指防效分别为80.68%、83.41%、73.42%、75.02%,药后20 d病指防效分别为70.17%、72.89%、64.74%、65.27%。各施药处理以75%肟菌·戊唑醇水分散粒剂20 g/667m2防效最佳,可有效控制玉米叶斑病的发生和为害。
Application 75% oxime / tebuconazole water dispersible granule 16 g, 20 g / 667m2, 18.7% Kadsura ester · Propiconazole SC 50g / 667m2, 25% Pyraclostrobin EC 50g / 667m2 Control Corn leaf spot disease. On the 10th day after the drug treatment, the control efficacy was 80.68%, 83.41%, 73.42% and 75.02%, respectively. The anti-efficacy index of the disease was 70.17%, 72.89%, 64.74% and 65.27% respectively on the 20th day after the drug treatment. The best antimicrobial effect of 75% oxime / tebuconazole water dispersible granule 20g / 667m2 can effectively control the occurrence and damage of corn leaf spot disease.