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东北地区具有典型代表的病害是杨树溃疡病,轻则会形成枯梢、重则会导致杨树的整株死亡、甚至会导致杨树林的成片枯死。本文结合东北地区杨树培育和养护工作的具体情况,将杨树溃疡病进行了类型上的划分,分析了水泡型杨树溃疡病、大斑型杨树溃疡病、烂皮型杨树溃疡病和细菌型杨树溃疡病的发病机理和发病表现,并在此基础上,提供了防范水泡型杨树溃疡病、大斑型杨树溃疡病、烂皮型杨树溃疡病和细菌型杨树溃疡病的技术措施。
Northeast typical representative of the disease is poplar canker disease, ranging from the formation of shoots, weight will lead to the death of poplar whole plant, and even lead to a piece of poplar dead. Based on the actual situation of poplar cultivation and conservation in northeastern China, this paper divided the poplar canker disease into three types: poplar poplar canker disease, large spot poplar canker disease, rotted poplar canker disease And the pathogenesis and incidence of bacterial poplar canker disease, and on this basis, provided the prevention of blister poplar canker disease, large spot poplar canker disease, rotten poplar canker and bacterial poplar Technical measures of ulcer disease.