How to prevent and cure cowpea root rot:
Agricultural control, water and drought rotation, or non-legume crops for more than 2 years of rotation; deep ditch sorghum, to prevent accumulation of water, timely drainage after rain. Strengthen field management, increase the application of phosphorus and potassium fertilizer, and improve the disease resistance of plants. The greenhouse is covered with plastic shed, covered with plastic film, and planted by transplanting method.
Chemical control, 7 to 10 days before planting, choose cloudy or sunny evening, use the tree general to treat soil disinfection, root rot is a soil-borne disease, must be pre-medicated, and medication after the onset, the effect is poor . After the seedlings are slowed down, the generals of the trees and roots can be used to induce virus accumulation, which is used for targeted disinfection of the tree guards, inhibiting root-borne virus-conducting infections and leaves, and ensuring the healthy operation of the plant transmission system.
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