1.杀灭越冬的病菌及害虫李树控技修剪后至萌芽前应喷1￣2次3￣5波美度的石硫合剂进行清园,并对主干进行石灰涂白。2.细菌性穿孔病该病危害日趋严重,危害轻的引起落叶,重的引起枝条死亡,甚至整树枯死。因此,种植李树时,除应注意选择抗病较强的品种外,日常管理中应着重进行药剂防 1. To kill overwintering pathogens and pests Control of plum pruning after the sprout should be sprayed 1 ~ 2 times 3 ~ 5 Baume degree of sulfur sulfur mixture for Park, and the trunk lime white. 2. Bacterial perforation The disease is more and more serious damage, causing light damage caused by deciduous, heavy branches cause death, and even the whole tree dead. Therefore, the planting of plum tree, in addition to pay attention to select the more resistant varieties, the daily management should focus on anti-drug