The recent phenomenon of white-collar cucumber juice is very common, many people think that it is black spot disease, but the use of drugs to prevent and cure scabs has no effect. The author found through investigation that cucumber white melon gum is mainly caused by bacterial blight and bacterial diseases. Cucumber spp. occurs mostly in the post-flowering part of the melon, and white gelatinous substances overflow from the top of the melon at the onset of the disease. The head of the melon wilts white and sticks with small black spots. The leaves of the plant have "V" shaped lesions. , It is easy to break when dry, and there is a crack in the vine. Bacterial disease caused by cucumber flow plastic occurs mainly in the melon edge, lesions water-like, high humidity, bacteria pus. For the control of bacterial blight, it can be sprayed with 25% prochloraz EC 1000 times. The prevention and treatment of bacterial diseases can be controlled by copper preparations or agricultural streptomycin sulfate. When the two diseases were mixed, they were sprayed with 25% prochloraz EC (1500 times solution) plus 20% mettilazole wettable powder (600 times solution).
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