最近我们对杉木黄化病进行了初步调查,现将调查情况简介如下: 杉落叶菌(Lophodermium Uncinatum Darker)是真菌中星裂菌科散斑菌属的一种盘菌。寄生在杉木基部枝条的针叶上,引起杉针黄化病(又称杉木叶枯病、落针病和杉叶尖枯病)。病菌常为害二年生针叶,针叶的病斑在春末夏初出现,至夏末秋初针叶黄化枯死,在 Recently, we conducted a preliminary investigation of Chinese fir yellowing disease, the investigation is now briefed as follows: Fir decidaria (Lophodermium Uncinatum Darker) is a fungus Myceliophthora sp. Parasitic in the fir branches of the needle, causing cedar yellow disease (also known as fir leaf blight, needle drop disease and cedar leaf blight). Germs are often harmful to biennial needles, needle lesions appear in the late spring and early summer, late summer and early autumn needles yellow dead, at