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黄瓜霜霉病是影响黄瓜高产稳产的主要病害之一。无论露地栽培或保护地栽培。每年都不同程度的发生、来势猛、发病快,往往因叶片罗病干枯凋落而造成严重减产。以往生产上多用波尔多液、代森锌、百菌清等药剂进行防治,但效果不甚理想。因此,尽快探寻高效低毒的杀菌剂,巳成为防治黄瓜霜霉病的迫切任务。为此我们应用国产乙磷铝。进口瑞毒霉
Cucumber downy mildew is one of the main diseases that affect cucumber’s high and stable yield. Whether cultivated or protected in open field cultivation. Occur each year to varying degrees, the trend of fierce, fast onset, often due to leaf litter disease caused by dry litter seriously reduced production. In the past the production of Bordeaux fluid, dexmedetomidine, chlorothalonil and other agents for prevention and treatment, but the effect is not satisfactory. Therefore, as soon as possible to explore efficient and low toxicity of fungicides, has become an urgent task to combat cucumber downy mildew. To this end we apply domestic phosphorus aluminum. Imported Swiss mold mildew