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杨树腐烂病又称“烂皮病”。主要危害杨树的树干和枝条,它是由弱寄生菌引起的一种真菌性病害。杨树患腐烂病时,轻则使局部输导组织破坏,严重时可造成整株死亡。晋深公路两侧是1990年春新植的毛白杨。目前胸径已达5cm左右,1992年春季发生了较为严重的烂皮病,先后采用了刷碱水和涂白剂刷干的方法进行治疗,效果都不明显。1992年7月3日我
Poplar rot disease, also known as “bad skin disease.” Mainly detrimental to the trunks and branches of poplar, a fungal disease caused by weak parasites. Poplar suffering from rotten disease, ranging from local conduction tissue damage, severe cases can cause whole plant death. On both sides of the Jin-Shen Highway is the new plantation of the white poplar in the spring of 1990. At present, the diameter at breast diameter has reached about 5cm. In the spring of 1992, serious bad skin disease occurred. The treatment of brushing with alkali and whitener was followed by the treatment with no obvious effect. July 3rd, 1992