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A comparative study of the violet root rot fungi, Helicobasidium brebissonii and H. mompa, from Japan

Published online by Cambridge University Press:  14 June 2004

Hitoshi NAKAMURA ,
Ken-ichi IKEDA ,
Masao ARAKAWA ,
Tomoya AKAHIRA  and
Naoyuki MATSUMOTO
Hitoshi NAKAMURA
Affiliation:
Bio-oriented Technology Research Advancement Institution, National Institute for Agro-Environmental Sciences, 3-1-3 Kan-non dai, Tsukuba 305-8604, Japan. E-mail: nakamh@affrc.go.jp Present address: National Institute of Fruit Tree Science, 2-1 Fujimoto, Tsukuba 305-8605, Japan.
Ken-ichi IKEDA
Affiliation:
Bio-oriented Technology Research Advancement Institution, National Institute for Agro-Environmental Sciences, 3-1-3 Kan-non dai, Tsukuba 305-8604, Japan. E-mail: nakamh@affrc.go.jp
Masao ARAKAWA
Affiliation:
Bio-oriented Technology Research Advancement Institution, National Institute for Agro-Environmental Sciences, 3-1-3 Kan-non dai, Tsukuba 305-8604, Japan. E-mail: nakamh@affrc.go.jp Present address: Faculty of Agriculture, Meijo University, 1-501 Shiogamaguchi, Tempaku-ku, Nagoya 468-8502, Japan.
Tomoya AKAHIRA
Affiliation:
Aomori Apple Experiment Station, 24 Botandaira aza hukutami, Kuroishi, Aomori 036-0332, Japan.
Naoyuki MATSUMOTO
Affiliation:
National Institute for Agro-Environmental Sciences, 3-1-3 Kan-non dai, Tsukuba 305-8604, Japan.
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Abstract

A violet root rot fungus recently found in Japan was identified as Helicobasidium brebissonii. The fungus was compared with another violet root rot fungus, H. mompa, which is distributed throughout Japan, in terms of morphological characteristics of the basidiospores and the conidial state, sequences of rDNA ITS regions, and pathogenicity on carrot, sweet potato and apple rootstock. The two species were clearly discriminated by these features and the taxonomic status of both species is discussed.

Type
Research Article
Information
Mycological Research , Volume 108 , Issue 6 , June 2004 , pp. 641 - 648
Copyright
© The British Mycological Society 2004

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