油茶炭疽病主要在果实、叶、枝和树干上发病。造成果实开裂、果实和叶片大量脱落、枝条枯死、树干溃疡等,严重时整个植株干枯死亡,影响树体生长和茶果产量。发病时,在果实、枝叶上出现红褐色小点,后逐渐扩大成淡褐色病斑,呈不规则轮纹,后期病斑上出现黑褐色的小点。通常发生时 Camellia anthracnose mainly in the fruits, leaves, branches and trunk disease. Resulting in fruit cracking, a large number of fruit and leaves off, withered branches, trunk ulcers, etc., severe dry death of the entire plant, affecting the growth of trees and tea production. Occurrence, the fruit, red and brown leaves appear on the small dots, and gradually expanded into a light brown spot, irregular ring pattern, the late spots appear dark brown dots. Usually occurs