前 言 杨树烂皮病又名腐烂病,普遍发生在东北、华北、内蒙古、青海、新疆等省(区)的杨树人工林中。自1959～1960年,中国科学院林业土壤研究所曾进行过较系统的研究。其后,中央林业部森林病理进修班、中国农林科学院林业研究所、营口市杨树试验站、内蒙古自治区林业研究所、内蒙古农牧学院、河北省林业研究所、新疆农业科学院林业研究所等单位对该病的病原菌种、病原菌生物学特性、病害流行 Preface Poplar rot disease, also known as rot disease, generally occurs in poplar plantations in Northeast China, North China, Inner Mongolia, Qinghai, Xinjiang and other provinces (regions). From 1959 to 1960, the Chinese Academy of Forestry Institute of Forestry has conducted a more systematic study. Subsequently, the Ministry of Forestry of the Central Forestry Department forestry pathology workshop, Forestry Research Institute of Chinese Academy of Agriculture and Forestry, Yingkou Poplar Experimental Station, Inner Mongolia Forestry Research Institute, Inner Mongolia Institute of Agriculture, Forestry Research Institute of Hebei Province, Xinjiang Academy of Agricultural Forestry Institute and other units The pathogen of the disease, the biological characteristics of pathogens, epidemics