Potassium permanganate is a strong redox agent and its solution has a strong bactericidal, disinfectant and antiseptic effect. At the same time, it contains two kinds of nutrient elements, manganese and potassium, which are necessary for plants, which can promote plant growth. With its low cost and easy procurement, it is safe and non-toxic to humans and animals when used. It has no residues, no harm to the crops, no pollution to the environment, and has unique effects in the production of pollution-free vegetables and flowers.
After the emergence of flowers such as damping-off, blight-biased petunias, a bunch of red, and marigold flowers, 800-1000 times of potassium permanganate (first diluted and concentrated) is sprayed every 7-10 days for damping off. The control effect is as high as 97%, which is significantly better than carbendazim, zearazine, quintozene, diclofenac and other pesticides.
Prevention and Control of Downy Mildew The geranium is sprayed with potassium permanganate 800-600 times before emergence from 1 heart to 1 flowering, once for 5-7 days, and even sprayed 4 times to effectively prevent the occurrence of downy mildew. If there is a central disease strain, spraying 600 times with potassium permanganate and spraying three times at intervals of 5 days, the control effect is very good.
Pretreatment of soft rot before planting with high-temperature clean water for 1 hour, remove and soak for 2 hours in 1000 times solution of potassium permanganate, and apply 3-4 times with 800-600 times solution at seedling stage to effectively prevent and control 1 String red, snapdragon, marigold soft rot disease, and concurrent governance downy mildew.
Prevention of virus disease In the early stages of viral disease, the entire plant was sprayed with 600-800 times potassium permanganate solution, sprayed once every 5-7 days, and even sprayed 3-4 times, not only to control the spread of viral disease, but also to make plants. The condition disappeared and it returned to life. If potassium permanganate is used in combination with double acting krillin virus K equal to 800-1000 times, the effect of preventing and treating virus disease is better. However, attention should be paid to the prevention and treatment of sucking pests on plants before and after the prevention of viral diseases. To prevent insect transmission.
Sterile chamber sterilization uses formaldehyde vapor generated by adding potassium permanganate to the formalin solution to sterilize the inoculum inoculation chambers and chambers and has a good sterilization effect. For fumigation, 10 ml of formalin was placed in a cup per cubic meter of space, 5 grams of potassium permanganate particles were quickly added, and the boxes and chambers were fumigated for 4-6 hours. In the use of potassium permanganate spray, it should be noted that when mixing constantly stirring, so that the drug particles are all dissolved, and with the use of to prevent long-time oxidation failure. In addition, spraying should be performed around 9:00 AM or after 4 PM. 7 Seedlings in front of leaves were washed with water after 5 minutes; seedlings were treated with low concentrations and adult plants with high concentrations.
Sowing soil disinfection Potassium permanganate is formulated into a 800-1000-fold solution, sprayed carefully with a sprayer, sprayed with plastic film for 7 days, and then sown to prevent plant blight, stalk rot, and tripping. Illness and so on.
Preparation of potassium permanganate solution with well water, river water, tap water, etc. can be, but avoid using stagnant water, sewage, hot water, etc., otherwise it will reduce the bactericidal effect, due to the reduction reaction of potassium permanganate and organic matter, will generate dioxide Manganese loses its bactericidal effect. Therefore, it can only be used externally and can only be used with it.
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