How to prevent and cure corn rough disease
How to prevent and cure corn rough disease? Corn rough disease is a corn virus disease caused by corn rough virus (MRDV), which is transmitted by the gray planthopper in a persistent manner. The corn rough disease is devastating, once it happens It is difficult to cure. It is unrealistic to spray a certain agent on a diseased plant to restore it to normal. However, as long as the combination of agricultural control and chemical control is achieved, the ring will be tightly controlled and it will be able to control its spread. Seed dressing, coating and seed dressing of corn seeds with systemic insecticide can effectively control the gray planthopper in the seedling stage and reduce the spread of rough disease. When planting, seed dressing with 2% seed coating agent can effectively prevent the damage of the gray planthopper, and at the same time, it is beneficial to cultivate strong seedlings and improve the disease resistance of corn. After sowing, pre-emergence soil treatment agent such as 40% acetaminophen suspension, 50% Dua mixture, etc., is used for soil sealing treatment. Spraying insecticides, plots of rough disease in the corn seedling stage, it is necessary to remove the diseased plants in time, and according to the prediction of the gray fly locust situation, use 25% of chlorpyrifos 50g/mu in time, in the corn 5 leaf stage, Spray once every 5 days, even spray 2 to 3 times, while spraying with 40% virus A500 times solution or 5.5% phytopathogenic 800 times solution to prevent viral diseases. How to prevent and cure corn rough disease? For some plots with poor effect of soil treatment of herbicides before seedlings, it is possible to spray 20% of the herbicides in the corn row. Be careful not to spray on corn plants. The tracer has a quick killing effect on weeds. After 52 hours of spraying, the weeds can all die, which can reduce the activity space of the gray planthopper. The field can spray 45% of the water, but it is not used in the corn line. So as not to cause phytotoxicity to corn. This article URL: How to prevent and cure corn rough disease Air pollution is getting more and more serious. Sudden virus outbreaks can harm the human body in many ways. However, if you do not protect yourself in time, you will be the next victim. Therefore, it is urgent to protect your health. Protective masks, breathe freely, I will protect your health. Multi-layer protection, light and thin, breathable, skin-friendly material, fit without ears, three-dimensional protection, professional inspection. Multi-layer filter protection, safe purification, so that you can breathe at ease every time you breathe, and guard your health layer by layer. Non-woven fabric isolation layer, blocking harmful large particles, non-woven fabric filter layer, filtering large particles, skin-friendly non-woven fabric, soft, skin-friendly and non-sensitive, buy masks from my home. The meltblown cloth layer has high density and good filtering effect. The soft non-woven fabric is soft and comfortable, light and breathable, and can absorb dust, odor and droplets. The toilet noodles evenly compensate for the pores, allowing you to experience high breathability and breathe smoothly. N95 Folding Mask,N95 Folding Face Mask,N95 Protective Folding Mask,N95 Disposable Folding Mask KUTA TECHNOLOGY INDUSTRY CO.,LIMITED , https://www.kutasureblue.com
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