Genera of diaporthalean coelomycetes associated with leaf spots of tree hosts

被引：32

作者：

Crous, P. W. ^{[1
]}

Summerell, B. A. ^{[2
]}

Alfenas, A. C. ^{[3
]}

Edwards, J. ^{[4
]}

Pascoe, I. G. ^{[4
]}

Porter, I. J. ^{[4
]}

Groenewald, J. Z. ^{[1
]}

机构：

[1] CBS KNAW Fungal Biodivers Ctr, NL-3584 CT Utrecht, Netherlands

[2] Royal Bot Gardens & Domain Trust, Sydney, NSW 2000, Australia

[3] Univ Fed Vicosa, Dept Fitopatol, BR-36570 Vicosa, MG, Brazil

[4] Dept Primary Ind, Biosci Res Div, Ferntree Gully, Vic 3156, Australia

来源：

PERSOONIA | 2012年 / 28卷

关键词：

leaf spot disease; molecular phylogeny; systematics; PHYLOGENETIC LINEAGES; RIBOSOMAL DNA; PRIMER SETS; PHAEOACREMONIUM; EUCALYPTUS; HARKNESSIA; CULTURE; GENUS; NOVA;

D O I：

10.3767/003158512X642030

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Four different genera of diaporthalean coelomycetous fungi associated with leaf spots of tree hosts are morphologically treated and phylogenetically compared based on the DNA sequence data of the large subunit nuclear ribosomal DNA gene (LSU) and the internal transcribed spacers and 5.8S rRNA gene of the nrDNA operon. These include two new Australian genera, namely Auratiopycnidiella, proposed for a leaf spotting fungus occurring on Tristaniopsis laurina in New South Wales, and Disculoides, proposed for two species occurring on leaf spots of Eucalyptus leaves in Victoria. Two new species are described in Aurantiosacculus, a hitherto monotypic genus associated with leaf spots of Eucalyptus in Australia, namely A. acutatus on E. viminalis, and A. eucalyptorum on E. globulus, both occurring in Tasmania. Lastly, an epitype specimen is designated for Erythrogloeum hymenaeae, the type species of the genus Erythrogloeum, and causal agent of a prominent leaf spot disease on Hymenaea courbaril in South America. All four genera are shown to be allied to Diaporthales, although only Aurantiosacculus (Cryphonectriaceae) could be resolved to family level, the rest being incertae sedis.

引用

页码：66 / 75

页数：10

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