近年来,我国许多地区陆续发生由线虫引起的松树萎蔫病害。经程瑚瑞副教授等鉴定,南京地区黑松萎蔫病的病原线虫为Bursaphelenchus xylopilus(松材线虫、松萎线虫、松线虫)。为了控制这一危险性病害的传播蔓延,我们于1984年对该病的发病规律做了初步观察,现概述如下。 In recent years, pine wilt diseases caused by nematodes are successively occurred in many areas of our country. By Cheng Huirui associate professor and other identification, Nanjing pathogen Nematodes wilt disease Bursaphelenchus xylopilus (pine wood, pine wilt nematode, pine nematode). In order to control the spreading of this dangerous disease, we made preliminary observations on the incidence of the disease in 1984 and are summarized as follows.