杨树烂皮病是白城地区杨树发生普遍而且严重的一种枝干病害。通过调查研究,初步确定该地区杨树烂皮病的发生与环境条件关系密切。不同树今发病程度不一致,树令以4-10年生期间发病重,12年以后病情减轻;林带密度和走向对病害发生也有一定影响,抚育管理不当或各种伤口直接影响发病严重程度。 Poplar bark disease is a widespread and serious poplar disease in Baicheng area. Through the investigation and study, it is initially determined that the occurrence of rotted bark disease in poplar is closely related to the environmental conditions. The incidence of different trees is not consistent at present, trees order to 4-10 year-old period of serious illness, 12 years later to reduce the disease; forest density and the trend of disease also have a certain impact, improper tending or various wounds directly affect the severity of the disease.