白粉菌一新种和一变种  

A NEW SPECIES AND A NEW VARIETY OF POWDERY MILDEWS

作　　者：谢德滋[1] 尹怀约[1] 

机构地区：[1]四川师范学院生物系

出　　处：《四川师范学院学报（自然科学版）》1990年第1期41-45,共5页Journal of Sichuan Teachers College(Natural Science)

摘　　要：报道了采至四川省南坪县九寨沟自然保护区的白粉菌两个新分类单位:九寨沟球针壳Phyllactinia Jiuzhaigouica Xie et Yin sp.nov.寄生在小蘖Berber sp.植物的叶片上,蔷薇波丝壳厚壁变种Medusosphaera rosae Golov.& Gamal var.crassiparietalis Xie et Yin寄生于红花蔷薇Rosa moyesii Hemsl.et Wils.植物的叶片上,还讨论了新种与近似种之间的区别。A species and a variety of powdery mildews collected at Nanping County,Sichuan province,China in 1987 are reported in this paper. The new species is phyllactinia jiuzhaigouica sp. nov. (on Berber sp. ), the new variety is Medusosphaera rosae Golov. & Gamal, Var. crassiparietalis Xie et Yin (on Rosa moyesii Hemsl. et Wils. ). The specimens are kept in the botanica herbarium of the biology department, Sichuan Teachers College, Nanchong, Sichuan, China. Both the Chinese and the Latin diagnoses and illustrations are given to the species and the variety.

关 键 词：白粉茵 球针壳属 九寨沟球针壳 波丝壳属 蔷薇波丝壳厚壁 新变种 

分 类 号：Q939.1[生物学—微生物学]