为搞清楚白龙江林区的森林病害种类,从采集的82份标本中鉴定出48个病害,并列出病害名录,其中30个为甘肃省新记录病害,1个国内新纪录病害。他们均分布在海拔高度2 040～2 920 m的高原林区。发病的树木以云杉、冷杉、柳树、落叶松、小檗为主;其次为华山松、铁杉等。本调查反映了林区病害分布和种类,为该林区天林保护提供依据,并为林木病害的进一步研究奠定基础。 In order to find out the forest disease types in Bailongjiang forest area, 48 diseases were identified from 82 collected samples, and the list of diseases was listed. Among them, 30 were newly recorded diseases in Gansu Province and 1 newly recorded disease in China. They are all distributed in plateau forests at an altitude of 2040 to 2920 m. The incidence of trees to spruce, fir, willow, larch, barberry-based; followed by Huashan pine, hemlock and so on. The survey reflects the distribution and species of forest diseases, provide the basis for the protection of the forest in this area, and lay the foundation for the further study of forest diseases.