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 346776
Title First record of Colletogloeopsis zuluense comb. nov., causing a stem canker of Eucalyptus in China
Author(s) Cortinas, M.N.; Burgess, T.; Dell, D.; Xu, D.; Crous, P.W.; Wingfield, B.D.; Wingfield, M.J.
Source Mycological Research 110 (2006)2. - ISSN 0953-7562 - p. 229 - 236.
Department(s) Laboratory of Phytopathology
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) coniothyrium-zuluense - mycosphaerella - plantations - anamorphs - sequence - diseases
Abstract Coniothyrium zuluense causes a serious canker disease of Eucalyptus in various parts of the world. Very little is known regarding the taxonomy of this asexual fungus, which was provided with a name based solely on morphological characteristics. In this study we consider the phylogenetic position of C. zuluense using DNA-based techniques. Distance analysis using 18S and ITS regions revealed extensive sequence divergence relative to the type species of Coniothyrium, C. palmarum and species of Paraconiothyrium. Coniothyrium zuluense was shown to be an anamorph species of Mycosphaerella, a genus that includes a wide range of Eucalyptus leaf and stem pathogens. Within Mycosphaerella it clustered with taxa having pigmented, verruculose, aseptate conidia that proliferate percurrently and sympodially from pigmented conidiogenous cells arranged in conidiomata that vary from being pycnidial to acervular. The genus Colletogloeopsis is emended to include species with pycnidial conidiomata, and the new combination Colletogloeopsis zuluense is proposed. This is also the first report of the pathogen from China where it is associated with stem cankers on Eucalyptus urophylla
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