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水稻的稻瘟病、细菌性褐斑病、胡麻斑病都是叶部病害,病症相近,为了能正确鉴别稻瘟病,做到早期发现,及时对症防治,现将识别方法介绍如下。鉴别方法:1、保湿鉴别法:摘下一些水稻有病斑的叶片,剪成小段,用水冲洗3遍,然后将稻叶背向上,放在垫有湿纸的碗或碟中,碗口或小碟用玻璃盖上,在室内放2~3天,进行观察。长出鼠灰色霉的就是稻瘟病。长出黑霉的是胡麻斑病。不长霉的是细菌性褐斑病。
Rice blast, bacterial brown spot disease, leaf spot disease are leaf disease, the disease is similar, in order to correctly identify blast, early detection, timely symptomatic prevention and control, the identification method is as follows. Identification methods: 1, moisturizing identification method: Take off some of the leaves of rice lesions, cut into small pieces, rinse 3 times with water, and then the back of the rice leaves on the pad with wet paper bowl or dish, bowl or Small dish covered with glass, put 2 to 3 days in the room for observation. Gray moldy mice grow rice blast. Black mold is a flax spot. Mildew is bacterial brown spot disease.