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杨树溃疡病
释义
杨树溃疡病
Encyclopedia
农学
森林病害
释
poplar canker
杨树溃疡病
树木枝、干局部皮层坏死,后期因坏死组织失水而稍有下陷,有时周围还产生一圈稍隆起的愈伤组织,溃疡病广义上除包括典型的溃疡病外,还包括腐烂病、枝枯病、干癌病等所有引起树木枝干韧皮部坏死或腐烂的病害。
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