大棚黄瓜特效药—棚霜灵辽宁省农业科学院植保所何富刚在我省，保护地黄瓜的种植面积不断扩大。由于保护地的连作栽培，导致黄瓜霜霉病逐年加重，给黄瓜生产构成了很大威胁。同时，伴随霜霉病的还有灰霉病、黑星病、角斑病等病害，更加剧了对黄瓜的危害。近几年，不少地区... Greenhouse Cucumber cure - shed cream Ling Liaoning Academy of Agricultural Sciences plant protection He Fugang in our province, protected cucumber growing area. As a result of continuous cultivation of protected areas, cucumber downy mildew increased year by year, posing a great threat to cucumber production. At the same time, accompanied by downy mildew and botrytis cinerea, Scab, angular leaf disease and other diseases, but also exacerbated the harm to cucumber. In recent years, many areas ...