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为了寻找一种对葡萄霜霉病速效、持效、价廉的复配制剂,解决抗性霜霉病的防治问题,并且帮助农户降低用药成本,进行了70%嘧菌.锰锌WP防治葡萄霜霉病大面积田间药效对比试验。结果表明,在667 m2用水量45 kg情况下,施用70%嘧菌.锰锌WP 1125 g/hm2对葡萄霜霉病最佳防效达到76.36%,略优于250 g/L吡唑醚菌酯EC 360 mL/hm2的最佳防效,显著优于25%嘧菌酯SC 450 mL/hm2和50%烯酰吗啉WP 900 g/hm2的最佳防效。70%嘧菌·锰锌WP可以从多方面基本满足农户和市场的需求,是个值得大力推广的复配产品。
In order to find a fast-acting, efficient and inexpensive compound preparation for grape downy mildew, to solve the problem of preventing and controlling downy mildew, and to help farmers reduce the cost of medication, 70% Downy mildew large area field efficacy comparison test. The results showed that the optimal control effect of 70% azinphos-methyl on the grape downy mildew was 76.36% at the rate of 45 kg of 667 m2, slightly better than that of 250 g / The best control effect of ester EC 360 mL / hm2 was significantly better than that of 25% azoxystrobin SC 450 mL / hm2 and 50% dimethomorph WP 900 g / hm2. 70% azathiophen manganese zinc WP can basically meet the needs of farmers and markets from many aspects, is a worthwhile promotion of complex products.