近些年来,无论是公园还是其他绿化带的观赏桃李等植物,细菌性穿孔病有偏重发生的态势,尤以美国黑李更易感病。除危害桃李外,还能危害樱桃、杏等核果类果树,引起叶片脱落和枝叶枯死,影响桃李植物的观赏性。现将其病害的症状识别及防治方法介绍如下:病害症状发生在桃、李植物上的细菌性穿孔病,主要危害叶片和枝条,造成叶片穿孔脱落。发病 In recent years, whether it is parks or other green belt ornamental plants such as peaches and plums, bacterial perforation has a biased posture, especially in the United States black more susceptible. In addition to damaging peaches and plums, but also endangered cherry, apricot and other stone fruit trees, causing leaves fall off and withered branches and leaves, affecting the ornamental peach plants. Now the disease symptoms and prevention methods are described below: Disease symptoms occur in peach, plum on the bacterial perforation, the main hazards of leaves and branches, resulting leaves perforation. Disease