In recent years, the area of ​​corn virus disease has been expanding, which has caused great harm to corn production. Corn virus disease has dwarf mosaic disease and rough disease, mainly based on corn dwarf mosaic disease. Prevention and control, followed by a small series of detailed introductions to the prevention and treatment of corn virus disease, as much as possible to reduce the incidence of viral diseases, reducing unnecessary losses.
Corn virus disease prevention and treatment methods:
Ecological control. Use disease-resistant varieties, plant at the right time, try to make the corn seedlings avoid the first-generation activity of the first generation of Laodelphax striatellus or aphids. Remove weeds in the fields and fields, eliminate poisonous sources and poisonous insects, and reduce the harm. Strengthen the field management to combine the seedlings and seedlings, remove the diseased plants in the field, concentrate on deep burial or burning, and spray new high-lipid membrane isolation bacteria to reduce the source of infection. Scientific fertilization, watering, and spraying Zhuangsuiling promote corn growth and robustness, shorten the period of susceptibility, reduce the chance of drug transmission, and enhance the resistance of maize to disease resistance.
Chemical control. (1) For the early control of the planthoppers, the thrips and the aphids in the seedling stage, 10% imidacloprid WP 3000-5000 times solution or 25% chlorpyrifos WP 1000-1500 times solution can be used for uniform spraying. For the ditch, roadside and weeds, it is necessary to focus on prevention and control, pay attention to prevention and control, intercropping corn fields, and reduce the harm of poisonous insects.
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