摘要
侧柏叶枯病在河北为害侧柏,是盘菌侵染所致,病菌子囊盘0.14~0.33mm,平均0.20mm,子囊625~87.5×10~12.5μm,内含8枚子囊孢子,子囊孢子单胞,透明或略带橄榄色,椭圆形,大小为7.5~12.5×6~8μm,经鉴定病菌是侧柏绿胶杯菌(ChloroscyphaplatycladusDaisp.nov.)。病害的发生与立地条件有密切的关系,采用营林措施对该病害的蔓延有一定控制作用。此病在河北省尚属首次发现。
Leaf blight of Platycladus orientalis was discovered in Hebei province for thefirst time. Classification and verification showed that the disease was caused byChloroscypha platycladus Dai sp. nov. This study also revealed that this disease was closelyrelated to the site condition. Better management of the stands could control the disease tosome extent.
关键词
侧柏
叶枯病
河北
Platycladus orientalis
Chloroscypha platycladus
site condition