Ninglang County, Yunnan Province: How to Control Bacterial Blight of Solanaceae Vegetables
(1) Rotation. Three years of rotation in the affected area and four to five years of severe disease, if it works best with rice rotation, it can also be rotated with melon crops.
(2) regulate the pH of soil. Ralstonia solanacearum is suitable for growth in slightly acidic soils, so it can be used in combination with soil preparation, spreading appropriate lime and inhibiting the growth of pathogens.
(3) Strengthen cultivation management. The use of sorghum cultivation, mulching, cultivating strong seedlings. Careful cultivator, less damage to the root system. The use of small ground irrigation, non-precision irrigation, summer hot weather, irrigation in the morning and evening, to avoid afternoon irrigation, to prevent injury to the root.
(4) Select disease-free seed potatoes and seed potatoes for treatment. When the tuber was cut, a diseased piece was found and it must be removed. The knife used to dissect the diseased potato was also sterilized with 20% formalin or boiled and used. Formalin can also be used to soak seed potatoes 200 times.
(5) Chemical control. Field diseased plants were immediately removed, and 2% formalin or 20% lime water was sterilized in the diseased hole. In the initial stage, 100-200 ppm of agricultural streptomycin could be sprayed, or 50% of the enemy's double 500-1000 times liquid was applied. Irrigation.
(2) regulate the pH of soil. Ralstonia solanacearum is suitable for growth in slightly acidic soils, so it can be used in combination with soil preparation, spreading appropriate lime and inhibiting the growth of pathogens.
(3) Strengthen cultivation management. The use of sorghum cultivation, mulching, cultivating strong seedlings. Careful cultivator, less damage to the root system. The use of small ground irrigation, non-precision irrigation, summer hot weather, irrigation in the morning and evening, to avoid afternoon irrigation, to prevent injury to the root.
(4) Select disease-free seed potatoes and seed potatoes for treatment. When the tuber was cut, a diseased piece was found and it must be removed. The knife used to dissect the diseased potato was also sterilized with 20% formalin or boiled and used. Formalin can also be used to soak seed potatoes 200 times.
(5) Chemical control. Field diseased plants were immediately removed, and 2% formalin or 20% lime water was sterilized in the diseased hole. In the initial stage, 100-200 ppm of agricultural streptomycin could be sprayed, or 50% of the enemy's double 500-1000 times liquid was applied. Irrigation.
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