Camellia anthracnose commonly occurs in China's Camellia production areas, causing serious fruit drop, buds, leaves, branches and even whole plant decline. Disease drop rate is usually about 20%, more than 40% serious. Although the late-stage disease fruit can be harvested, the seed oil content is only half that of healthy seeds. Camellia anthracnose has a long period of onset, a wide range of infection sources, and a large number of affected areas. It is necessary to adopt comprehensive prevention and control measures to effectively prevent the occurrence and spread of anthrax. 1. Breeding disease-resistant varieties should be selected. 2. Camellia oleifera planting density should not be too large, pay attention to ventilation and light, reduce forest humidity. 3. Timely pruning, remove diseased branches, diseased leaves, shoots, diseased fruit and disease buds, and minimize the source of initial infection. 4. During the onset of nitrogenous fertilizer application, phosphorus and potash fertilizers should be added to improve plant resistance to disease. 5. After the growth of new shoots in early spring, it can be sprayed with 1% Bordeaux mixture; During the blooming period of May-September disease, 75% chlorothalonil 1000 times solution or 50% eutectic 800 times solution or 20% tricyclazole can be used. 600 times liquid spray; early onset with 50% thiophanate WP 500 to 800 times spray, to prevent the spread of the disease.
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