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A new Leptographium species associated with Tomicus piniperda infesting pine logs in Korea

Published online by Cambridge University Press:  24 March 2005

Jae-Jin KIM ,
Young Woon LIM ,
Colette BREUIL ,
Michael J. WINGFIELD ,
Xu Dong ZHOU  and
Gyu-Hyeok KIM
Jae-Jin KIM
Affiliation:
Department of Wood Science, University of British Columbia, Vancouver, B C V6T 1Z4, Canada.
Young Woon LIM
Affiliation:
Department of Wood Science, University of British Columbia, Vancouver, B C V6T 1Z4, Canada.
Colette BREUIL
Affiliation:
Department of Wood Science, University of British Columbia, Vancouver, B C V6T 1Z4, Canada.
Michael J. WINGFIELD
Affiliation:
Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0001, South Africa.
Xu Dong ZHOU
Affiliation:
Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0001, South Africa.
Gyu-Hyeok KIM
Affiliation:
Division of Environmental Science & Ecological Engineering, Korea University, Seoul 136-701, Korea. E-mail: breuil@interchg.ubc.ca
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Abstract

During the course of a survey of sapstaining fungi in Korea, a Leptographium was isolated from Pinus densiflora and P. koraiensis logs, infested with the bark beetle Tomicus piniperda. The fungus grew optimally at 25 °C on 2% malt extract agar and showed a high level of tolerance to cycloheximide. The Leptographium has unusually short conidiophores and is morphologically similar to L. pini-densiflorae, L. lundbergii, L. yunnanense, and the Leptographium anamorph of Ophiostoma crassivaginatum. Comparisons of DNA sequence data for three gene regions, as well as morphological characteristics, confirmed that this fungus represents an undescribed taxon. We consequently provide the name Leptographium koreanum sp. nov. for it here.

Type
Research Article
Information
Mycological Research , Volume 109 , Issue 3 , March 2005 , pp. 275 - 284
Copyright
© The British Mycological Society 2005

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