Potato ring rot symptoms:
Potatoes infected with ring rot will have symptoms such as slow plant growth, shortened internodes, thinness, reduced branching, and small leaves. After storage, the potato skin will turn brown, and the potato tail will shrink and sag. There is also a yellow pus overflow in the rot. The potato tubing cortex and the pith are easy to separate, and the soft rot fungus often infects twice, causing the potato to rot rapidly. Linyi Fertilizer Network Copyright
Potato ring rot prevention and control measures: Linyi Fertilizer Network Copyright
1. Select disease-free potato pieces from the disease-free fields, strictly select them before planting and disinfect them. Use seed ash and new high-fat film to mix seeds and plant them under the seeds to reduce the infection of the bacteria. 2, in the growing season, loose soil, soil ridges, watering, cultivating and weeding, rational fertilization, spraying the fruit and fruit, improve the ability of potatoes to absorb water, enhance immunity, and ensure high yield and yield of potatoes. 3, in the early stage of the disease should be sprayed with targeted drugs for prevention and treatment, and with the application of a new high-lipid film 800 times liquid to enhance the efficacy, improve the utilization of active ingredients of the drug; at the same time should remove the diseased body in time, bring out the field to burn out, To reduce the source of pathogens in the field. Linyi Fertilizer Network Copyright
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