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黄瓜细菌性角斑病是一种细菌性病害,在龙山县发生较普遍,不但危害黄瓜,还危害丝瓜、苦瓜、甜瓜、西瓜、西葫芦等葫芦科作物。该病常与黄瓜霜霉病同期、同叶混合发生,病症相似,极易混淆,常因仅针对霜霉病防治而贻误最佳时机,造成严重损失。2007～2011年,针对黄瓜细菌性角斑病在龙山县的发生情况进行了调查,现将该病的田间症状、发病规律及防治方法总结如下。
Cucumber bacterial angular leaf spot is a bacterial disease, occurs more commonly in Longshan County, not only endanger cucumber, but also endanger loofah, bitter melon, melon, watermelon, zucchini and other Cucurbitaceae crops. The disease often associated with the same period of cucumber downy mildew, with the same leaf mixture, similar symptoms, easily confused, often only because of downy mildew prevention and control of the best time of delaying, causing serious damage. From 2007 to 2011, the incidence of bacterial angular leaf spot disease in Longshan County of Cucumber was investigated. The field symptoms, incidence and control methods of the disease are summarized as follows.