The cause of rotten fruit is the pathological rotten fruit, which is the rotten fruit caused by various diseases. There are many diseases causing strawberry rotten fruit, such as strawberry powdery mildew, gray mold, Phytophthora fruit rot, sclerotinia sclerotiorum, anthracnose, etc. Therefore, in the prevention and treatment of pathological rotten fruit, it is first necessary to know what kind of disease caused.
Control measures 1. Mainly for agricultural control, control the humidity in the shed. 2, through plant management to prevent and control. In the fruiting period, strawberries only need to store 7-8 leaves per plant to meet the growth and nutrient requirements of fruit enlargement. If too many strawberry leaves cause the field to be sealed, it will help various diseases. 3. Once the disease occurs in the field and there is a rotten fruit phenomenon, the diseased fruit diseased leaves should be removed in time to prevent secondary infection. 4. For the field where the disease occurs, it is necessary to take chemical control methods in time. The rotten fruit caused by powdery mildew is characterized by a layer of white powder on the surface of the fruit. It can be selected from Karakang, Tsuibei, Shigao, Ami, and Fuxing to prevent and control. When the gray mold is not serious, the azine can be selected. Ester, chlorhexidine, milamine, etc. If it is serious, it is recommended that you choose some special pharmacies, such as Ruizhen, Kaiser, Jianda, Lunasen and so on. However, it is recommended to use alternate rotations when using the medicine, which can not only improve the control effect, but also prevent the resistance of the bacteria.
For Phytophthora fruit rot, it is recommended to choose Kate, Akebai, and Cocaine. Some fields also have the ultimate rot and rotten fruit disease. When the fruit rots, there will be cotton-like white mold on the fruit surface, and it is denser and thicker, like cotton wool. For this disease, you can choose drugs such as carbaryl, metalaxyl, and nail.
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