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本文汇录了作者收集的甘肃省22种霜霉菌。其中2个新种(已另文发表),即:寄生于藜科植物甜菜(Beta vulgaris L.)上的甜菜盘梗霜霉菌(Bremia betae Bai et Cheng sp.nov.)和寄生于唇形科植物薄荷(Mentha arvensis L.)上的薄荷霜霉菌(Peronospora menthae Cheng et Bai sp.nov.)。10个省内新记录种。对新种做了较详尽的形态描述,省内新记录种和省内已经报道过的种,仅分别将种名和寄主名列出。对近年来省内外其他学者报道的甘肃省霜霉菌新种共3种,我们还未采集到标本,也收录在文末附录内。至此,甘肃省共有霜霉菌25种。
This article captures 22 species of downy mildew in Gansu Province collected by the author. Two of the new species (published separately), ie, Bremia betae Bai et Cheng sp. Nov., Which is parasitized on the beta vulgaris L. plantarum, Mentha arvensis L. (Peronospora menthae Cheng et Bai sp. Nov.). 10 new records in the province. New species made a more detailed description of the form, the province recorded a new species and the province has been reported species, only the name of the species and the host name were listed. In recent years, other scholars inside and outside of Gansu Province reported a total of 3 new species of downy mildew, we have not collected specimens, also included in the text at the end of appendix. At this point, Gansu Province, a total of 25 kinds of downy mildew.