摘要
针对不通浓度70%丙森锌WP进行黄瓜霜霉病的田间防效试验研究。结果表明:在黄瓜霜霉病发病初期,1hm2用70%丙森锌WP(有限成分)1911～2247g兑水900Kg,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。药后7d各处理防效为81.94%～84.72%,对黄瓜生长安全。
Effect test of different concentration of 70% Iprovalicarb WP to control Downy mildew on cucumber in field were studied, the result show that as early stage it has the better control efficiency to Downy mildew with 70% Iprovalicarb WP 1911- 2247g/hm2 added water 900kg. Three times were sprayed each 7 days. The control efficiency was 81.94% -84.72% after 7 days,and it was safe to cucumber.
出处
《青海农林科技》
2013年第2期58-59,共2页
Science and Technology of Qinghai Agriculture and Forestry
