Garlic soft rot is a bacterial infestation disease. The pathogen is E. carotovora. It is mainly re-infected by the pathogens in the soil. Autumn sowing of garlic began in November, with low field conditions, poor rainfall and watering, poor drainage, and high incidence of heavy humidity in the field. The incidence of yin and ditch impotence cultivation was heavy. Garlic varieties with poor resistance to cold were severely weighed and planted too early. The incidence of over-exposure to over-fertilized fertilizer was heavy. Comprehensive prevention should start with sowing.
1. Choose the best garlic species for detoxification, disease resistance, and pest free garlic.
2. It is appropriate to choose flat terrain, convenient drainage and irrigation, rich organic matter in the soil, and strong ability to maintain water and fertilizer, and to plant garlic in the soil of the top notch. And fine soil preparation, so that the Panasonic real, in order to block the source of disease and avoid the conditions of the disease.
3. Apply sufficient quality organic manure and cake fertilizer based on phosphorus and potash fertilizers to improve the disease resistance of plants to reduce the occurrence of physiological diseases.
4. Chemical control. (1) Seed garlic treatment: Before seeding, use 2.5% of seeds with 0.25% of the seed coating agent of the leprosy suspension dressing to kill the pathogens of garlic; also use 50% carbendazim or 77% to kill or 77% Donning wettable powder seed dressing, seed dressing method is 100 grams of each agent watered 5 kg, can be seed dressing 50-75 kg, evenly mixed and dried after sowing. (2) Soil treatment: This method is applicable to the land where soft rot has occurred. It can be sprayed with 77% tannin wettable powder 600 times liquid to sow the ditch. 100 kg per acre of spray liquid, sow after spraying; or with copper sulfate, quicklime Grass ash is mixed in a ratio of 1:1:100 and spread in the garlic ditch.
5. Early prevention and treatment after onset. After the above measures are adopted, the occurrence of garlic soft rot can be generally controlled. If it still occurs, it is necessary to spray the medicine in time for prevention and treatment. At the beginning of the disease, 77% of tannin 600 times, 3% of bleomycin 800 times, spray every 7-10 days, spray 2-3 times.
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