Due to the anti-season cultivation, the anti-season radish has a large market development, high prices and good economic returns. However, pests and diseases have seriously affected the yield and quality of radish. Pesticide control should be carried out in time. Specific prevention and control skills, China Pesticide Network Xiaobian detailed explanation for you:
Pest control techniques:
In addition to controlling aphids and spotted flies in summer, it is also necessary to control pests such as cabbage caterpillars and noctuids. It can be controlled by Baicao No.1, Baidoujing or 48%.
The main diseases are soft rot, black rot, virus disease, etc. The prevention and treatment methods are as follows:
1 Strengthen field management, rational watering and fertilization, and control aphids and weeds. The base fertilizer should be applied to the high-quality organic fertilizer that is ripe, pay attention to the application of phosphate fertilizer and potassium fertilizer, and the nitrogen fertilizer should be appropriate when topdressing.
2 It is found that the diseased plants should be removed in time, and the raw lime should be disinfected in situ to prevent the spread of infection.
Chemical control: soft rot can be used with agricultural anti-751, seed dressing according to the weight of the seed 1% ~ 1.5%, can also be used 50g / mu seed dressing, can also use 500 grams of Fengling 50 liters of water, along the vegetable root side ditches In or spray.
Pesticide manufacturers recommend using 72% of agricultural streptomycin sulfate 3000-4000 times in the early stage of the disease. Black rot can be mixed with Fumei double powder or 35% metalaxyl, and can also be treated with Fumei double soil. In the early stage of the disease, 72% agricultural streptomycin 3000-4000 times liquid or Fengling 200 times liquid can be sprayed, 7 to 10 days apart. Spray once and continuously spray 3 to 4 times.
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