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黄瓜霜霉病是黄瓜上发生的主要病害之一,为做好今后大面积推广防治工作提供依据,进行了烯酰吗啉·锰锌69%WP防治黄瓜霜霉病试验,烯酰吗啉·锰锌69%WP的1000倍、800倍及600倍3个处理第3次药后10d平均防治效果分别为83.62%、92.08%、96.66%。烯酰吗啉·锰锌69%WP防治黄瓜霜霉病安全性好、无药害。宜在发病初期或发病前用药,使用剂量以600～800倍较为适宜,每隔7d施1次药,连喷3次,防治效果较好。
Cucumber downy mildew is one of the main diseases occurred in cucumber, in order to provide a basis for the promotion of large-scale popularization and control in the future, we carried out the experiment of controlling the cucumber downy mildew with dimethomorph, manganese and zinc 69% WP, Manganese and zinc 69% WP of 1000 times, 800 times and 600 times three treatments 10d after the third control effect of the average were 83.62%, 92.08%, 96.66%. Dimethomorph, manganese and zinc 69% WP Control cucumber downy mildew Good safety, no phytotoxicity. Should be in the early onset or onset of medication, the use of doses to 600 to 800 times more appropriate every 7d 1 times the drug, and even spray 3 times, prevention and treatment is better.