Potassium permanganate is a strong redox agent and its solution is bactericidal, disinfectant and antiseptic. In recent years, vegetable farmers have used their prevention and control of vegetable diseases and achieved satisfactory control effects. Experiments have shown that the use of potassium permanganate in the control of eggplant seedling damping-off disease, melon-like powdery mildew, melon wilt disease effect is very good, but also can supplement the vegetables required manganese, potassium and two nutrients, can be Increase the yield of vegetables and have the dual role of fertilizers.
Seed Disinfection Use potassium permanganate 800 to 1000 times to soak tomato, eggplant, pepper and other solanaceous vegetable seeds for 15 to 20 minutes to prevent virus disease, early blight, anthrax, brown spot, etc.; cruciferous vegetable seeds first Soaking in warm water for 1 hour, and then soaking for 2 hours with potassium permanganate 1000 times, can prevent soft rot; watermelon seed soaked with 1000 times potassium permanganate for 8 to 10 hours, can prevent blight. However, it should be noted that after soaking with potassium permanganate solution, it must be rinsed with water before germination.
After spraying, the melons and vegetables are sprayed with potassium permanganate 1000 times every 7 to 10 days, and they are continuously controlled for 3 times. The incidence of damping off disease can be controlled below 2%. Pepper and other solanaceous vegetable flowers in the early stage of infection with potassium permanganate spray 800 times, sprayed every 5 to 7 days, and even spray 3 to 4 times, can control the spread of viral disease.
Irrigation with potassium permanganate 800 to 1000 times the whole field per plant root irrigation, irrigation once every 10 days, even irrigation 2 to 3 times, watermelon, wax gourd wilt disease can achieve significant control effect. Potassium permanganate 500 to 800 times the root irrigation, once every 7 days, even irrigation 3 to 4 times, can effectively prevent root rot and eggplant damping-off disease.
In addition, potassium permanganate solution and other pesticides can not be mixed application, preparation of potassium permanganate solution, you can use water, can not be used hot water, with the use of distribution, not a long time release. Irrespective of whether spraying or rooting should be carried out in the early stages of the onset of the disease, spraying should be carried out around 9 am or after 4 pm. The seedlings were sprayed before the leaves and they should be rinsed with water after 5 minutes. Seedlings use low concentrations and adult plants use high concentrations. Drug equipment should be rinsed with clean water immediately after spraying to avoid oxidation corrosion.
Seed Disinfection Use potassium permanganate 800 to 1000 times to soak tomato, eggplant, pepper and other solanaceous vegetable seeds for 15 to 20 minutes to prevent virus disease, early blight, anthrax, brown spot, etc.; cruciferous vegetable seeds first Soaking in warm water for 1 hour, and then soaking for 2 hours with potassium permanganate 1000 times, can prevent soft rot; watermelon seed soaked with 1000 times potassium permanganate for 8 to 10 hours, can prevent blight. However, it should be noted that after soaking with potassium permanganate solution, it must be rinsed with water before germination.
After spraying, the melons and vegetables are sprayed with potassium permanganate 1000 times every 7 to 10 days, and they are continuously controlled for 3 times. The incidence of damping off disease can be controlled below 2%. Pepper and other solanaceous vegetable flowers in the early stage of infection with potassium permanganate spray 800 times, sprayed every 5 to 7 days, and even spray 3 to 4 times, can control the spread of viral disease.
Irrigation with potassium permanganate 800 to 1000 times the whole field per plant root irrigation, irrigation once every 10 days, even irrigation 2 to 3 times, watermelon, wax gourd wilt disease can achieve significant control effect. Potassium permanganate 500 to 800 times the root irrigation, once every 7 days, even irrigation 3 to 4 times, can effectively prevent root rot and eggplant damping-off disease.
In addition, potassium permanganate solution and other pesticides can not be mixed application, preparation of potassium permanganate solution, you can use water, can not be used hot water, with the use of distribution, not a long time release. Irrespective of whether spraying or rooting should be carried out in the early stages of the onset of the disease, spraying should be carried out around 9 am or after 4 pm. The seedlings were sprayed before the leaves and they should be rinsed with water after 5 minutes. Seedlings use low concentrations and adult plants use high concentrations. Drug equipment should be rinsed with clean water immediately after spraying to avoid oxidation corrosion.
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