青海云杉叶锈病在祁连山林区蔓延成灾.通过四年试验和样地调查,对此病症状、病原、侵染循环以及主要发病规律进行了阐述.病原菌被定名为祁连金锈菌(新种)(Chrysomyxa qilianenses Y.z.Wang,X.B.Wu et B.Lp.nov.)根据交互接种试验,确定青海杜鹃(Rdodendron przewalskii Maxim.)是它的转主寄主.结合当地自然情况和防冶条件,提出以改造灌木林为主的综合防冶措施是解决该病害的主要途径. The leaf rust of spruce in Qinghai province spreads in the Qilian Mountains forest area.The symptoms, pathogen, infection cycle and the main pathogenesis of this disease were described through four years of experiment and sample investigation.The pathogen was named as the new strain ) (Chrysomyxa qilianenses YzWang, XBWu et B.Lp.nov.) According to the interaction test, Rdodendron przewalskii Maxim was identified as the main host of the transgression. According to the local natural conditions and the anti-metallurgical conditions, Comprehensive anti-metallurgical measures mainly based on shrubs are the main solution to the disease.