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以50%福美双可湿性粉剂120g/667m2和50%烯酰吗啉可湿性粉剂40g/667m2为对照药剂,试验观察了55%福美双·烯酰吗啉可湿性粉剂40g/667m2,100g/667m2,160g/667m23个剂量处理对黄瓜霜霉病的田间防效。试验结果表明,施药后10d,防效分别为62.35%,70.26%,74.19%,以55%福美双·烯酰吗啉可湿性粉剂160g/667m2处理防效最高,且对黄瓜安全。
50% thiram wettable powder 120g / 667m2 and 50% dimethomorph wettable powder 40g / 667m2 as the control agent, the test was observed 55% thiram dimethomorph wettable powder 40g / 667m2, 100g / 667m2 , 160g / 667m23 doses of cucumber downy mildew on the field control effect. The results showed that the control effect was 62.35%, 70.26% and 74.19% respectively at 10 days after spraying. The treatment with 55% thiramylmorpholine WP at 160g / 667m2 had the highest control effect and was safe to cucumber.