真菌性病害的炭疽病是芒果的第一杀手,尤其是熟果期发病迅速,危害更大,造成贮运期中严重损失。一、病害症状。嫩叶感病:多从叶尖和叶缘开始生黑褐色、圆形、多角形或不规则小斑,扩大后或多个小斑愈合成大的枯死斑,使叶片扭曲;干旱时病部易裂穿孔,叶缘焦枯而脱落,使枝条变秃枝。嫩叶病部可发展到嫩枝,形成黑色病斑,有时扩大围绕枝条一圈, Fungal diseases of anthrax is the first killer of mango, especially the rapid onset of cooked fruit, more harmful, resulting in serious losses during storage and transportation. First, the symptoms of disease. Young leaf flu: more from the leaf tips and leaf margin dark brown, round, polygonal or irregular small spots, enlarged or multiple small patches heal into large dead spots, so that leaves distorted; Cracks easily pierced, leaf margin scorch and off, so that branches become bald branches. Branch of young leaves can develop into shoots, the formation of black lesions, and sometimes expand around the branches of a circle,