摘要
针对不同浓度50%烯酰吗啉WG进行黄瓜霜霉病防治田间试验研究。结果表明：在黄瓜霜霉病发病初期,1hm2用50%烯酰吗啉WG的262∽300g,对水750kg,对黄瓜霜霉病有较好的防治效果。喷药间隔期为7d,共喷3次。第三次药后7d各处理防效分别84.14%∽85.19%,且对黄瓜生长安全。
Field text on effect of different concentration of 50% dimethomorph WG to control for downy mildew in cucumber were conducted, the result show that it was the better control efficiency of cucumber Downy mildew as it was early stage with 50% dimethomorph WG 262- 300g/hm2 added water 750kg. Three times were sprayed each 7 days. The control efficiency was 81.14% - 85. 19% after 7 days,and it was safe to cucumber.
出处
《青海农林科技》
2015年第2期82-83,共2页
Science and Technology of Qinghai Agriculture and Forestry
关键词
烯酰吗啉WG
黄瓜霜霉病
防治效果
Dimethomorph WG
Cucumber downy mildew
Control efficiency
