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Morphological and molecular analysis of Colletotrichum acutatum sensu lato

Published online by Cambridge University Press:  01 March 1999

R. LARDNER ,
P. R. JOHNSTON ,
K. M. PLUMMER  and
M. N. PEARSON
R. LARDNER
Affiliation:
School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand
P. R. JOHNSTON
Affiliation:
Herbarium PDD, Landcare Research, Private Bag 92170, Auckland, New Zealand
K. M. PLUMMER
Affiliation:
School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand Previous address, The Horticulture and Food Research Institute of New Zealand Ltd., Private Bag 92169, Auckland, New Zealand
M. N. PEARSON
Affiliation:
School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, New Zealand
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Abstract

The genetic relationships between several morphological groups recognized within Colletotrichum acutatum sensu lato were investigated using RAPD analysis and vegetative compatibility analysis. Isolates were examined from fruit rots originating in New Zealand and Australia, from Lupinus spp. in New Zealand, Canada, France and the U.K., and from Pinus radiata in New Zealand and Australia. The genetic distinctness of the groups recognized morphologically is confirmed. Two genetically distinct groups of C. acutatum-like pathogens are recognized from lupin, one comprising isolates from New Zealand and the U.K., the other isolates from Canada and France. C. acutatum f. sp. pineum isolates from New Zealand and Australia form two genetically distinct groups.

Type
Research Article
Information
Mycological Research , Volume 103 , Issue 3 , March 1999 , pp. 275 - 285
Copyright
© The British Mycological Society 1999

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