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New foliar pathogens of Eucalyptus from Australia and Indonesia

Published online by Cambridge University Press:  01 May 1998

P. W. CROUS ,
M. J. WINGFIELD ,
C. MOHAMMED  and
ZI QING YUAN
P. W. CROUS
Affiliation:
Department of Plant Pathology, University of Stellenbosch, P. Bag X1, Matieland 7602, South Africa
M. J. WINGFIELD
Affiliation:
Department of Microbiology and Biochemistry, University of the Orange Free State, P.O. Box 339, Bloemfontein 9300, South Africa
C. MOHAMMED
Affiliation:
CSIRO Forestry and Forest Products, P.O. Box 252-12, Hobart 7001, Tasmania, Australia
ZI QING YUAN
Affiliation:
CSIRO Forestry and Forest Products, P.O. Box 252-12, Hobart 7001, Tasmania, Australia
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Abstract

Mycosphaerella tasmaniensis is newly described from Mycosphaerella leaf blotch symptoms occurring on Eucalyptus nitens in Tasmania, Australia. Single ascospore cultures produced a Mycovellosiella anamorph, described here as M. tasmaniensis. Both states occurred together, as well as separately on leaf spots. Phaeophleospora epicoccoides (=Kirramyces epicoccoides) is commonly associated with leaf spots of Eucalyptus spp. in Australia. The teleomorph, Mycosphaerella suttoniae, previously known only from Indonesia, was also collected on E. grandis leaves from Australia. A Cylindrocladium leaf blight disease of young E. grandis trees in Indonesia was found to be associated with a new species of Calonectria. Calonectria multiseptata and its anamorph Cylindrocladium multiseptatum is newly described and distinguished from other species based on their larger, multi-septate ascospores and conidia.

Type
Research Article
Information
Mycological Research , Volume 102 , Issue 5 , May 1998 , pp. 527 - 532
Copyright
The British Mycological Society 1998

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