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Claviceps sorghicola sp. nov., a destructive ergot pathogen of sorghum in Japan

Published online by Cambridge University Press:  01 November 1999

TAKAO TSUKIBOSHI ,
TADAYUKI SHIMANUKI  and
TSUTOMU UEMATSU
TAKAO TSUKIBOSHI
Affiliation:
National Institute of Agro-Environmental Sciences, Tsukuba, Ibaraki 305-8604, Japan
TADAYUKI SHIMANUKI
Affiliation:
National Grassland Research Institute, Nishinasuno, Tochigi 329-2793, Japan
TSUTOMU UEMATSU
Affiliation:
National Institute of Agro-Environmental Sciences, Tsukuba, Ibaraki 305-8604, Japan
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Abstract

A new Claviceps species that causes ergot in sorghum and Sudan grass in Japan is described. The new species is distinct from C. sorghi and C. africana, from India and Africa, respectively, in the colour and texture of sclerotia, colour and morphology of stromata arising from the sclerotia, and size of ascospores and conidia. The pathogen infected only Sorghum in inoculation tests using 11 gramineous plants. Hyphal growth of C. sorghicola was 1 mm d−1 on PDA at 25 °C. Production of a different ergoline alkaloid in the sclerotia was suggested.

Type
Research Article
Information
Mycological Research , Volume 103 , Issue 11 , November 1999 , pp. 1403 - 1408
Copyright
The British Mycological Society 1999

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