桃黑星病又称疮痂病、黑点病或黑痣病,是普遍发生于各桃产区的一种真菌性病害,发病时病果表面出现黑点甚至发生龟裂,严重影响商品价值。一般的发病率在20%~30%之间,严重时则可达60%左右。发病原因:引发桃黑星病的病原为半知菌亚门真菌丝孢纲丝孢目嗜果枝孢菌(图1),其有性世代为子囊菌亚门嗜果黑星菌(Venturia carpophilum Fisner.),其暗褐色具分隔的弯曲分生孢子梗至多分枝一次,并单生或成短链状产生无色或浅橄榄色的椭圆形或瓜 Peach scab, also known as scab, black spot disease or mole disease, is a fungal disease commonly occurring in various peach producing areas. Occurrence of black spots on the surface of culm or even cracking occurs on the surface of peach scallops, seriously affecting the commodity value. The general incidence of 20% to 30%, in severe cases up to 60%. The cause of the disease: The causative agent of peach scab was Entamoecobacterium spp. (Figure 1), a fungus belonging to the genus Sempervirens, whose sexual generation was Venturia carpophilum Fisner.), Its dark brown with separated curved conidiophores to once more branching and singly or into short chains produce colorless or light olive oval or melon