Cherry root rot disease often affects the yield and quality of cherries. Preventing the decay of cherry root neck can reduce losses and increase economic benefits. So, how should cherry root rot disease be prevented? Linyi Fertilizer Network Copyright
Symptoms of cherry root neck rot disease: Linyi Fertilizer Network
Cherry root neck rot occurs mainly at the base of the cherry tree trunk. The cortex of the diseased part was brown and rotted, subsided, and it was ring-shaped twisted. The diseased tissue had no odor, and the shoots corresponding to the diseased part had slow germination and poor growth. After the root neck has been infested for 2 to 3 years, the root and neck cortex can rot for a week, and the upper and lower leaves are wilting and dry, and the whole tree dies. Linyi Fertilizer Network Copyright
Cherry root neck rot disease prevention and control method: Linyi Fertilizer Network Copyright
1. Control larvae such as chafers in time to reduce the roots. Linyi Fertilizer Network Copyright
2, the orchard with serious disease, watering the neck and neck with 25% toxic mycelium 800 ~ 1000 times or 40% ethyl phosphorus aluminum 300 times, each plant is 45 ~ 50 kg, sick trees and Jianshu are filled. Linyi Fertilizer Network Copyright
3. For trees that have died, they should be removed from the garden in time, and disinfected with 40% Ethylphosphorus aluminum 30~50 times in a timely manner. The soil is allowed to cool for a period of time, and the soil is tested until no pathogen remains. . Linyi Fertilizer Network Copyright
4. When constructing a garden, you should choose sandy loam with high topography and good drainage conditions. Before planting, the planting hole was poured with 1% copper sulfate solution, 10-15 kg per hole to kill the bacteria in the soil. The grafting site should be 10-15 cm above the ground when planting. Linyi Fertilizer Network Copyright
5. Do a good job in the drainage facilities of the orchard to ensure that there is no water in the rainy season. Linyi Fertilizer Network Copyright
After the soil is thawed in spring, the root and neck soils are immediately opened, and the roots and necks are cooled, reducing the humidity of the roots and necks, creating an environmental condition that is not conducive to the disease. Return the soil to the roots and necks during the early winter. After the root and neck soil was opened in the spring, the root and neck cortex was examined by tree, and the lesion was found to be cured in time. The wound site was coated with 25% s. sinensis 50-100 times or 40% ethylphosphorus aluminum 30-50 times or 3 times. ~ 5 times the rot must be a clearing agent or 2 times ~ 3 times sulphur sulphate, once every 7 to 15 days. The scraped skin was burned out of the garden. Linyi Fertilizer Network Copyright
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