Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 546020
Title Seiridium (Sporocadaceae) : An important genus of plant pathogenic fungi
Author(s) Bonthond, G.; Sandoval-Denis, M.; Groenewald, J.Z.; Crous, P.W.
Source Persoonia 40 (2018)June. - ISSN 0031-5850 - p. 96 - 118.
DOI https://doi.org/10.3767/persoonia.2018.40.04
Department(s) Laboratory of Phytopathology
EPS
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Appendage-bearing conidia - Canker pathogen - Cupressus - Pestalotioid fungi - Systematics
Abstract

The genus Seiridium includes multiple plant pathogenic fungi well-known as causal organisms of cankers on Cupressaceae. Taxonomically, the status of several species has been a topic of debate, as the phylogeny of the genus remains unresolved and authentic ex-type cultures are mostly absent. In the present study, a large collection of Seiridium cultures and specimens from the CBS and IMI collections was investigated morphologically and phylogenetically to resolve the taxonomy of the genus. These investigations included the type material of the most important Cupressaceae pathogens, Seiridium cardinale, S. cupressi and S. unicorne. We constructed a phylogeny of Seiridium based on four loci, namely the ITS rDNA region, and partial translation elongation factor 1-alpha (TEF), β-tubulin (TUB) and RNA polymerase II core subunit (RPB2). Based on these results we were able to confirm that S. unicorne and S. cupressi represent different species. In addition, five new Seiridium species were described, S. cupressi was lectotypified and epitypes were selected for S. cupressi and S. eucalypti.

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