Matters needing attention for skillful treatment of anthracnose and replenishment of edible fungi
Colletotrichum anthracnose often occurs at the leaf tip and leaf edge, and the disease features are similar to leaf spot, showing moist brown spots at the initial stage of the disease, and sometimes pink colloid mucus, that is, the conidium disk and conidium pile of the pathogen. After development and spread, the disease spot is semicircular or irregular oval red-purple or dark brown, the center is light brown or grayish white and slightly sunken, gradually expand after the onset of the disease, can be seen around the wheel marks, showing brown, the disease spot gradually atrophied and withered, the spot is scattered with black particles, causing the whole leaf to blacken and wither when the disease is serious.
Main points of prevention and control: 1. New high-fat membrane is often sprayed to prevent leaf virus infection, suffocate and isolate the source of diseases and insect pests. two。 Pay attention to ventilation and light, basin soil drainage should be good, in nutrition management should properly increase the application of phosphorus and potassium fertilizer, control the amount of nitrogen fertilizer; 2. The symptoms should be treated as early as possible, and drugs such as 1000 times of 50% WP and 60% of anthrax Fumei can be used together with the new high lipid membrane, which can play an effective role in treatment and prevention. (Earth)
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