Prevention and cure of wheat stalk rot

Prevention and cure of wheat stalk rot

The occurrence of stalk rot in wheat aphid peanuts generally reduces production by 20-30% in field plots and 40% in severe sick fields, and should be prevented and treated as soon as possible.

Stalk rot pathogens mainly invade from the wound, the seed quality is poor, the seedling stage grows weak, and the continuous cloudy and rainy season before and after flowering, the humidity in the field is large, and the incidence is heavy. The irregular red small lesions appeared on the stems of the diseased plants, and gradually expanded. The strong light under high temperature conditions, the branches and leaves wilting, the late lesions expand and rot, the skin peeling disintegrated, exposing the white xylem, the surface and internal appearance of stems Black sclerotia, the last plant withered.

To prevent and treat the disease, the first is to implement a rotation of 2-3 years or more, taking care not to rotate crops with susceptible crops such as cotton and soybeans, and to work with grass crops. The second is seed treatment, use 50% carbendazim 150 grams, add 2 kg of water to spray mix 50 kg of seeds, seal for 3-5 hours, dry after sowing, or use 50% carbendazim 150 g add water 30 kg soaking 50 kg, Soak for 24 hours, take out the plant after drying it slightly. The third is chemical control. Peanuts were sprayed with 50% carbendazim 1000 times and sprayed every 10 days until they bloomed. They were sprayed 2-3 times.

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