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Comparison of Ophiostoma huntii and O. europhioides and description of O. aenigmaticum sp. nov.

Published online by Cambridge University Press:  01 March 1998

K. JACOBS ,
M. J. WINGFIELD ,
B. D. WINGFIELD  and
Y. YAMAOKA
K. JACOBS
Affiliation:
Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein 9301, South Africa
M. J. WINGFIELD
Affiliation:
Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein 9301, South Africa
B. D. WINGFIELD
Affiliation:
Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein 9301, South Africa
Y. YAMAOKA
Affiliation:
Department of Plant Pathology, University of Tsukuba, Tennodai, Tsukuba, Ibaraki 305, Japan
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Abstract

Ophiostoma europhioides and O. huntii are two very similar fungi known to cause blue-stain of timber. Both species have been isolated from pine and spruce in Canada and are characterized by Leptographium anamorphs and hat-shaped ascospores. The aim of this study was to compare isolates of O. huntii and O. europhioides from various parts of the world. These isolates were compared morphologically using light and scanning electron microscopy. Sexual compatibility was determined using mating studies. O. huntii isolates from the different geographical areas were similar to each other but distinct from O. europhioides. A new Ophiostoma species, O. aenigmaticum, is described for the Japanese isolates; Leptographium aenigmaticum, its anamorph, is described as a new species.

Type
Research Article
Information
Mycological Research , Volume 102 , Issue 3 , March 1998 , pp. 289 - 294
Copyright
The British Mycological Society 1998

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