Agricultural streptomycin is a white powder that is hygroscopic, and agglomeration does not affect the efficacy. Soluble in water, insoluble in many organic solvents, low toxicity to humans and animals, safe for crops. It has a wide spectrum of sterilization and has a systemic action. It can penetrate into plants and conduct it to other parts. It has good control effect on various bacterial diseases of plants. Such as rice bacterial blight, bacterial stripe disease, tobacco leaf spot, wildfire disease, bacterial wilt and so on. Agricultural streptomycin used on vegetables Agricultural streptomycin has a significant effect on the control of bacterial diseases in vegetables. If it is to be treated concurrently, it can be mixed with other fungicides and insecticides , but it cannot be mixed with microbial insecticides such as Acariciid, Beauveria bassiana and Bacillus thuringiensis (Bt preparation). Commonly used agricultural streptomycin dosage forms are 0.1%-0.85% powder and 72% soluble powder. 1. Control cabbage soft rot, bacterial angular leaf spot and leaf spot disease, spray with 72% soluble powder 4000 times solution at the beginning of the disease, spray once every 7-10 days, even spray 2-3 times. For cabbage black rot, soak seeds with 1000 times solution for 2 hours. 2, prevention and treatment of cabbage soft rot and black rot, when the initial stage of the field, spray 72% soluble powder 4000 times solution, spray every 7-10, even spray 3-4 times. For black rot, it can also be soaked in 1000 times solution for 2 hours before sowing. 3, prevention and treatment of tomato ulcer disease, when transplanting with liquid medicine to do the fixed root water, each 7 grams of 0.1% -0.85% powder plus water 75 liters, 150 ml per planting solution; when the disease is found in the field immediately removed, and used 72 Spray the % soluble powder 4000 times solution. To control tomato bacterial wilt, when the sporadic diseased plants were found in the field, they were immediately removed, and 72% soluble powder 3000-4000 times liquid 0.5 liters were infused into the hole, once every 10-15 days, even 2-3 times, and 4000 times liquid was used. Field spray. 4, prevention and treatment of pepper Zheng people to buy scab and soft rot, in the early stage of the disease, with 72% soluble powder 3000-4000 times spray, spray every 6-8 days, even spray 2-3 times. 5, prevention and control of bacterial bacterial blight, in the early stage of the disease, spraying 72% soluble powder 3000-4000 times liquid. Agricultural streptomycin used in fruit trees Agricultural streptomycin used on tobacco It has a remarkable effect on the control of tobacco bacterial diseases, and can be combined with other fungicides and insecticides to treat other diseases, but it cannot be mixed with microbial insecticides such as Acartobacter, Beauveria bassiana and Bacillus subtilis (Bt preparation). Commonly used agricultural streptomycin dosage forms are 0.1%, 0.85% powder, and 72% soluble powder, which can prevent bacterial diseases of tobacco roots, stems and leaves. Agricultural streptomycin is significant for tobacco wildfire disease, angular leaf spot and bacterial leaf spot disease. 200 units/ml agricultural streptomycin is used for prevention and treatment, 7 to 10 days, and sprayed 3 to 5 times. Bacterial wilt is a common tobacco rhizomes disease, which can be harmful in both the seedling stage and the field stage when controlling tobacco bacterial wilt. At the beginning of the disease, 200 units of agricultural streptomycin was used to irrigate the roots, and after 7 days, the roots were re-irrigated once. Wildfire disease and angular spot disease can occur in both the seedling stage and the field stage. The two are mainly harmful to the leaves of tobacco plants. In the early stage of the disease, 200 units/ml of streptomycin is used, and 100 kilograms of liquid per acre, 6 days 1 Then, spray continuously for 3 to 5 times. Tobacco blast disease is a tobacco stem disease. After the damage, the tobacco stem is hollow, the leaves are wilted, and finally died. After the onset, 4.5% streptomycin 50,000 units/ml 200 times solution is sprayed, and 70 per acre is sprayed. ~100 kg of liquid medicine.
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Agricultural streptomycin is used for apple and pear blight, walnut bacterial black spot and stone fruit tree bacterial perforation, sprayed when the disease is first developed. The liquid should be used now and cannot be stored for a long time.