Cucumber wilt can occur on cucumbers in open fields and protected areas. Generally, greenhouse cucumbers, greenhouse cucumbers and open spring cucumbers are heavier, and summer and autumn cucumbers are lighter.

Cucumber wilt disease control: (1) soil disinfection. It was found that there was a mild onset of sorghum cucumber. Before planting, the drug was formulated with methyl thiophanate or carbendazim at a ratio of 1:100. It was applied in a dose of 1-2 kg per mu and sprinkled in the planting ditch. Have a preventive effect. (2) after the onset with thiophanate-methyl, carbendazim, 400 times IRRIGATING Epu Long pesticide, 8-10 days filling time, controlled spreading effect. The diseased plants should be removed in time, and the above drugs should be used for disinfection in the acupoints to control soil transmission.

Cucumber wilt disease agricultural control: (1) Selection of resistant varieties, such as Changchun Mia, Jinza 2, 3, 4 and Zhongnong 5, etc. (2) Seed disinfection, seed coating or 55 ° C warm water soaking for 15 minutes disinfection. (3) Adopting germination live broadcast. After the seed is germinated, the seedling is broadcasted in the nursery, and the seedling transplanting is not carried out twice, and the root is not damaged. (4) Rotation. For more than 5 years of rotation with non-melon crops, the seedbed should be exchanged or replaced with new soil after 2-3 years. (5) Improve cultivation management. Before watering the melon, the watering should be controlled to promote root growth. During the meloning period, watering and multi-dressing should be properly applied, and watering should be controlled later. When watering, pay attention to the light water pouring, prevent flooding of large water, and drain in time after rain. Fertilization should be rationally combined with nitrogen, phosphorus and potassium. 20 kg of diammonium and 20 kg of potassium sulfate should be applied per mu. The organic fertilizer must be fully decomposed. (6) Grafting and disease prevention. The use of black seed pumpkin as a rootstock for grafting is an effective method for controlling cucumber wilt in old sheds for many years.

More pesticide knowledge , please pay attention to China Pesticide Network

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