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Discovery of the teleomorph of Phoma medicaginis var. pinodella in culture

Published online by Cambridge University Press:  01 January 1997

JOANNA K. BOWEN
Affiliation:
Present address: The Horticulture and Food Research Institute of New Zealand Ltd., Mt. Albert Research Centre, Auckland, New Zealand. School of Biological Sciences, University of East Anglia, Norwich, U.K.
BRIAN G. LEWIS
Affiliation:
School of Biological Sciences, University of East Anglia, Norwich, U.K.
PETER MATTHEWS
Affiliation:
John Innes Institute, Colney Lane, Norwich, U.K.
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Abstract

The teleomorph of Phoma medicaginis var. pinodella is reported for the first time. A single isolate, collected from infected plant material in Australia, produced asci and ascospores in culture. The anamorph was identified as Phoma medicaginis var. pinodella on the basis of axenic colony morphology, symptoms on the foliage of a susceptible pea line and characteristic hybridization banding patterns observed during RFLP analysis. The ascospores and asci, although similar in morphology to those produced by Mycosphaerella pinodes, were considerably larger. Therefore, the binomial assignment of the teleomorph remains open to speculation. The potential impact on disease dissemination and effectiveness of control measures against P. medicaginis var. pinodella are discussed.

Type
Research Article
Copyright
© The British Mycological Society 1997

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