Peanut white silk disease is one of the main diseases that endanger peanuts. For the prevention and treatment of peanut white silk disease, early prevention is very critical. Especially for the prevention and treatment of the disease during the broadcasting period of peanut broadcasting, it can achieve more effort. So how to prevent the early stage of peanut white silk disease?
symptom:
At the beginning of the peanut root, pods and stem bases, it was brown soft and rotten after being injured. There were white silk -shaped mycelium at the root of the top of the ground. It was often formed on the surface of the stem base and the surface near the ground. Dark brown and shiny, the plant's stem base was cut by the diseased spots.
Features of the disease:
The germs spread in the field by flowing water or insects, and the high temperature, high humidity, heavy soil sticky, poor drainage, low -lying land and rainy years are susceptible to disease. After the rain, the diseased plants quickly withered and died. Essence
Prevention method:
1. Spring peanuts are broadcast appropriately late, cleared squat seedlings during the seedling period to improve disease resistance;
2. Select the species of disease -resistant species or seedless seeds suitable for local cultivation;
3. Reasonable dense planting, reasonable planting density ensures the light transmission conditions of the peanut surface. Through the wetness and dampness, the killing of germs through the sunlight of the sun is very effective in preventing and controlling peanut white silk disease;
4. Pharmacy is planted. Before the peanuts are broadcast, use 2.5%percorbinye seed clothing agent 30ml of water to mix with water to mix with 30 catties of peanut seeds. After drying
5. Pharmaceutical spray, before or early in the white silk disease, spray or irrigated pier with a 24%oscopylide suspension of 30 ~ 40ml, and then apply the medicine again after 10-15 days.
