金花梨是中国目前推广的优质梨树品种之一，已在四川几个市县建立生产基地，种植近2000万株。近年来在汉源金花梨基地县发生一种在国内外尚未见报道过的金花梨疮斑病，面积达数十公顷，并有逐年扩展、加重为害的趋势。危害症状：病树整个主干、主枝和侧枝的皮孔较正常皮孔呈明? Jinhua Pear is one of the high-quality pear varieties currently being promoted in China. It has established a production base in several cities and counties in Sichuan and has grown nearly 20 million. In recent years in Hanyuan Jinhua base county occurred at home and abroad have not yet been reported in the golden pear sore spots, covering an area of ​​dozens of hectares, and have been expanding year by year, aggravating the trend. Harm symptoms: the entire trunk of the diseased tree, the main branch and collateral than the normal lenticular lenticels revealed?