(一)桃细菌性穿孔病。此病主要危害叶片,枝梢和果实也易感病,受害植株叶片穿孔,嫩梢产生病斑,最后导致提早落叶,枝梢枯死。防治方法:秋冬季剪除病枯枝,清理病落叶,并集中销毁,减少侵染源。及时排水,合理施肥,增施有机肥,以增强树势,提高植物抗病力。萌芽前,喷施3-5波美度石硫合剂或1∶1∶120 (A) Peach bacterial perforation. The disease mainly endanger the leaves, shoots and fruits are also susceptible to disease, plant damage perforation of leaves, shoots produce lesions, and eventually lead to early leaves, dead shoots. Prevention and treatment methods: cut off the dead branches in autumn and winter, clean up diseased leaves, and focus on the destruction and reduce the source of infection. Timely drainage, fertilization, organic fertilizer, to enhance the tree vigor and improve plant disease resistance. Before germination, spray 3-5 Baume limestone or 1: 1: 120