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近年来黄瓜霜霉病已成为黄瓜生产中周年发生、危害严重的病害.为此,我们从1994——1996年对黄瓜霜霉病的流行规律进行了观察与研究,并提出了相应防治措施.
In recent years, cucumber downy mildew has become an annual and curative disease in cucumber production.For this reason, we observed and studied the epidemic law of cucumber downy mildew from 1994 to 1996, and put forward corresponding control measures.