Peanut disease: how to control peanut white silk disease? What medicine is the best for peanut white silk disease?
Peanut disease of white Juan disease, there will be serious peanut production, that how to prevent it?
Symptoms: The appearance of the injured plant is dehydrated and dry, the stem of the ground part is browned and gangrenous, and a layer of white silky hyphae is attached, which can spread outward, forming radial hyphae bundles on the soil surface, and forming many spherical brown sclerotia on the hyphae in the later stage. Digging the soil surface shows the damaged pod decay, but also can be seen white silk wrapped around it. When white silk fungus infects, hypha secretes oxalic acid, which reduces pH value to 2~3, and then breaks down cells of host tissue with enzyme, making them brown.
Disease ecology: this disease often occurs in late spring or early autumn, like high temperature and humid climate, soil was moderate to alkaline when the harm is relatively mild. It often survives as sclerotia or on organic matter and is not easily removed.
Control methods: 50% Daclan WP 2 grams; mix before sowing.
1. Limit the use of pre-sowing mix.
2. Wear gloves when mixing and sowing.
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