青梅 ( Prunus mume)是我国南方特产经济树种 ,有很高的营养价值、药用价值和经济价值。青梅在广东省主要分布在普宁、惠州等地。近年来 ,梅果一直是广东出口创汇的主要水果之一。由于病菌的侵染 ,使梅果常常产生不正常的病斑 ,严重影响了梅果的品质和销售价格。经对病果进行分 Prunus mume is a special economic tree species in southern China with high nutritional value, medicinal value and economic value. Green plum in Guangdong Province are mainly distributed in Puning, Huizhou and other places. In recent years, the plum fruit has been one of the main fruits of Guangdong’s foreign exchange earning. Due to the infection of bacteria, the plum fruit often produces abnormal spots which seriously affect the quality and sales price of the plum fruit. After the disease fruit points