Low temperature in winter can easily lead to sclerotinia in the greenhouse. In greenhouses, near the surface of the greenhouse, the leaves of cucumber are dense, and the humidity caused by local canopy closure is relatively large. As a result, the basal part 3 of cucumber plants with sclerotinia disease is seriously rotted, causing whole plant pods, which has a great impact on cucumber production. The specific operation of the rescue method is: First use a blade to scrape the white rot at the diseased stem, and then use 50% fast-king or acetaminophen to dilute 20-30 times more liquid such as thick milk (a small amount of edible starch paste is also available. The powder is mixed with water in a ratio of 2:1.) After smearing the affected area, the affected area will slowly heal itself and the plant will continue to flower normally. If the rot of the affected area is severe, look at the situation after 3-5 days and apply it again. Plants that usually rot their stems to less than half their diameter can be saved and can later maintain a certain yield.
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Emulsion spreader is effective against cucumber sclerotinia