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霜霉病和角斑病,是黄瓜栽培中常见的两大病害,对黄瓜生长威胁很大,由于这两种病害都危害叶片,病状相似,而且发生期基本相同,往往混合发生,识别时容易混淆。前者为真菌病害,后者为细菌性病害。因此,防治两种病害的药剂也完全不同。防治黄瓜霜霉病和角斑病,必须在准确识别症状的前提下,对症下药,才能取得理想的防病效果。
Downy mildew and angular leaf spot, which are two common diseases in cucumber cultivation, have a great threat to the growth of cucumber. Since both diseases endanger the leaves and their symptoms are similar and the occurrence period is basically the same, they often occur mixedly and are easy to identify Confused. The former is a fungal disease, the latter is a bacterial disease. Therefore, the two kinds of disease prevention and control of drugs are completely different. Prevention cucumber downy mildew and angular leaf spot, must be accurately identified under the premise of the premise, the right medicine, in order to achieve the desired effect of disease prevention.