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叶子被杀死，斑点是深棕色或黑色圆形或椭圆形的小斑点，逐渐扩大到1至3厘米，边缘为深褐色，中间灰褐色，同心脉轮图案。 When the weather is wet, black mold grows on the lesions, namely conidia and conidia. The disease often starts from the lower leaves of the plant and gradually spreads upward. When the disease occurs severely, the lower leaves of the plant will completely die. Most stem lesions occur at branches, gray-brown, oval, slightly concave, and also have concentric chakra patterns. When the disease occurs severely, it can cause broken branches. Seedlings often develop on stems close to the ground, with dark brown spots. The stems and stems of the diseased plant are often covered with black and brown spots in the later stages, so they are known as \”black feet\”. Fruit lesions often occur near the pedicle and where there are cracks. They are either nearly round, brown or black-brown, slightly sunken, and also have concentric chakra patterns, with black mold on them. The diseased fruit often falls off early.该疾病在病变表面和国际象棋图案的表面上有不均匀的毛刺，这与番茄圆形模式疾病不同，其国际象棋模式更平滑。