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楊樹腐爛病是一种腐生性的病害,对于楊樹的危害性很大,特别对于苗圃采条用的母樹和用无性繁殖的行道樹等威脅最大,一旦發生就造成大面積死亡現象。1957年在我区各地都有程度不同的楊樹腐爛病發生,很多苗圃的釆条母樹都是受到这种病害而遭到大面積的死亡,呼和浩特市海拉尔路一帶新植的小叶楊行道樹約有20％以上受这种病害而枯死。据今年西部区各苗圃的材料和寄來受害的标本來看,这种病害还在蔓延。目前我区正在大規模地开展造林綠化,楊樹是造林中主要的樹种,
Poplar rot disease is a saprophytic disease, which is very harmful to poplar. Especially for the nursery stock-picking mother trees and the asexual propagating road trees, the most serious threat is the large-scale death. In 1957 in different parts of our region have varying degrees of poplar rot disease, many nursery precinct trees are subject to this disease was a large area of death, Hailar Road, Hohhot planted poplar tree road about More than 20% suffer from this disease. According to the materials of the nurseries in the western region this year and the samples sent to victims, the disease is still spreading. At present, our district is carrying out afforestation on a large scale. Poplar is the main tree species in afforestation,