The management of peach root rot is mostly caused by too much rain in the growing season, excess water in the soil, poor drainage, soil compaction, low organic matter, and acidic and slightly acidic soils. It is too deep or too thick for cultivation, and damages or damages when farming. Earthworms and other underground pests bite the root system will increase the degree of disease, so the orchard should promptly drain irrigation to prevent drought and flood. Adding organic manure and planting green manures such as wolfberry fruit to improve the soil, increase soil fertility and appropriately increase potassium fertilizer. Timely prevention and control of pests and diseases, and control of the amount of results, overcoming the size of the year, excessive trees of flowers and fruit to do sparse fruit thinning, and careful cultivation, to protect the root system and root neck less harmed, in order to reduce pathogenic access routes to enhance tree vigor, improve Tree disease resistance. In addition, since the root of Robinia pseudoacacia is the host of the rotting virus, no hedgehogs are planted around the orchard, and the species should be removed.
Medical treatment of decayed root disease, white feather disease, white feather disease, purple feather disease can cause peach tree rot, in the orchard first see disease, should be dug more than 1 meter deep groove around the disease block to prevent The disease spreads. Need to remove the first rotten root, and then use the agent to disinfect the soil around the roots. The diseased tissues that are cut off or scraped off must be brought out of the orchard and replaced with disease-free new soil. Mix 70% pentachloronitrobenzene with new soil at a ratio of 1:50 to 100 and spread it to the surrounding of the diseased root; 250-300 times of sodium pentachlorophenol is used to prevent and cure white peony disease. Kilograms of liquid; prevention of white feather disease and root rot, irrigation 25 kilograms of liquid medicine. The application period can be carried out during the dormancy period of peach trees, or during the young fruit period from April to May or after the harvest in September. It should be avoided during the high temperature period from July to August. Peach trees that have already died should be dug in time. The remaining roots should be fully planed and burned. The diseased spot is soil-sterilized with 40% formaldehyde l00x solution or pentachlorophenol sodium 150x solution.
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