Scleroconidioma, a new genus of dematiaceous Hyphomycetes

被引:0
|
作者
Tsuneda, A
Thormann, MN
Currah, RS
机构
[1] Canadian Forest Serv, No Forestry Ctr, Edmonton, AB T6H 3S5, Canada
[2] Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada
关键词
taxonomy; mitosporic fungi; stromata; conidiogenesis; Sphagnum;
D O I
10.1139/b00-107
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Scleroconidioma sphagnicola gen.nov. et sp.nov. (Hyphomycetes) is described from necrotic patches of Sphagnum fuscum (Schimp.) Klinggr. found in a bog in Alberta, Canada. In the leaves of the host and in culture the fungus forms minute dematiaceous stromata. Hyaline, bacilliform conidia are extruded in succession from papillate conidiogenous cells that develop on the stroma surface. Hyaline bacilliform conidia, as well as a more variable and pigmented conidial type, also arise from short conidiogenous cells or directly from vegetative hyphae in culture. Discrete tufts of white, setiform hyphae also form on agar media and constitute an additional distinctive feature of the new taxon.
引用
收藏
页码:1294 / 1298
页数:5
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