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杉木顶枯是当前杉木用材林基地中,危害性极大、分布较广的一种异常现象。1977年在福建省上杭立新林场首次发现,相继看到于屏南、连城、龙岩、漳平、建阳、邵武、建瓯、崇安、尤溪和同安等地分布。经试验研究是由顶枯拟盘多毛孢引起的一种重要病害,称杉木顶枯病。发病之后,主梢枯死,高生长受到严重抑制,使林业生产遭受损失,实属一种严重的主梢病害。
Cephalopapulus Cunninghamia lanceolata forest is the current timber plantation base, extremely harmful, widely distributed an anomaly. In 1977, it was first discovered in Shanglin Lixin Forest Farm in Fujian Province that it was successively distributed in Pingnan, Liancheng, Longyan, Zhangping, Jianyang, Shaowu, Jianou, Chong’an, Youxi and Tong’an. The experimental study is an important disease caused by Pseudomonas sphaerocephalides, said that the top blight of Chinese fir. After the onset, the main shoot dead, high growth has been severely inhibited, so that the loss of forestry production, it is a serious main shoot disease.