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田间试验表明 ,72 %霜脲·锰锌可湿性粉剂稀释 94～ 1 2 5 g/ 667m2 ,对黄瓜霜霉病的防效在84.88%～ 92 .62 %之间 ,明显优于 70 %代森锰锌可湿性粉剂 94g/ 667m2 的防效 ,可较好地控制黄瓜霜霉病的危害。
Field experiments showed that the control efficacy of 72% cream urea-manganese-zinc wettable powder was 94-125 g / 667m2, and the control effect on cucumber downy mildew was between 84.88% -92.62%, which was obviously better than 70% Mn-Zn WP 94g / 667m2 control effect, can better control the damage of cucumber downy mildew.