桃树流胶是桃园中常见的病害。近几年来,桃树流胶现象日趋严重。已成为桃树早衰的一个重要原因。但它的症状与过去常见的流胶病不一样。先是在枝条上长出一粒粒瘤状突起物,到第二年,瘤的表皮开裂流胶。这种病不仅发生于成年桃树,而且为害幼树和桃苗。今年3～5月,我们进行了专题调查,通过市郊八个县十五个果园的实地考察,业已查明这是一种 Peach plastic flow is a common disease in Taoyuan. In recent years, peach plastic flow phenomenon is getting worse. Has become an important reason for peach tree premature aging. But its symptoms are not the same as those seen in the past. First in the branches grow a granular tumor-like protrusions, the second year, the tumor of the epidermis splitting gel. This disease not only occurs in adult peach tree, but also for young trees and peach seedlings. From March to May this year, we conducted a special survey and conducted field trips through 15 orchards in eight counties in the outskirts of the country. It has been ascertained that this is a