近几年 ,随着各地蔬菜保护地面积的迅猛发展 ,黄瓜细菌性角斑病的发生日趋严重 ,成为黄瓜的重要病害之一。苍山县的黄瓜角斑病发生较为普遍 ,露地和保护地都有发生 ,同时 ,由于黄瓜角斑病的症状类似黄瓜霜霉病 ,所以防治上易混淆 ,造成严重损失 ,故应注意识别和防治。一、症状 In recent years, with the rapid development of vegetable conservation areas around, the incidence of bacterial angular leaf spot in cucumbers has become increasingly serious and has become one of the important diseases of cucumbers. Cangshan County cucumber angular leaf spot disease is more common, open field and protected areas have occurred at the same time, due to Cucumber angular leaf spot disease similar to cucumber downy mildew, so the prevention and control easily confused, causing serious losses, it should be noted that the prevention and treatment . First, the symptoms