The bacterial swollen stem canker of poplars is prevalent on large scale in man-made poplar forest of Northeastern of China.

• 杨树细菌肿茎溃疡病在中国东北地区杨树人工林大面积发生,引起幼林和成林的树干和枝坏死、腐烂、溃疡、肿茎、木质变色,造成严重损失。