60%氟吗·锰锌防治葡萄霜霉病田间药效试验

Field Efficacy of 60% Flumorph+Mancozeb on Grape Downy Mildew (Plasmopara viticola)

田间试验结果表明,60%氟吗.锰锌对葡萄霜霉病有良好的防治效果,防效达87.06%～92.42%,且安全无药害。田间适宜的使用浓度为750～1000倍, 持效期10d以上。

Vineyard field tests showed that 60% flumorph+mancozeb provided good control of grape downy mildew, withPlasmopara viticola control ranging from 87% to 92%. Suitable concentration for field appliation were 1:750 to 1:1000 dilutionsand the preventive effect lasted more than 10 days. No crop injury was observed.