Septoria leaf spot of banana : A newly discovered disease caused by Mycosphaerella eumusae (Anamorph Septoria eumusae)

ABSTRACT A previously undescribed leaf spot disease of banana has been discovered in southern and Southeast Asia. The fungus identified as the causal agent of this leaf spot has a Mycosphaerella teleomorph stage and a Septoria anamorph stage. Isolation and reinoculation of the fungus to banana repro...

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Bibliographic Details
Published in:Phytopathology 2000-08, Vol.90 (8), p.884-890
Main Authors: CARLIER, J, ZAPATER, M.-F, LAPEYRE, F, JONES, D. R, MOURICHON, X
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Phytopathology. Animal pests. Plant and forest protection
Systematics. Morphology. Development cycle. Physiology
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Summary:ABSTRACT A previously undescribed leaf spot disease of banana has been discovered in southern and Southeast Asia. The fungus identified as the causal agent of this leaf spot has a Mycosphaerella teleomorph stage and a Septoria anamorph stage. Isolation and reinoculation of the fungus to banana reproduced symptoms and confirmed its pathogenicity. Phylogenic analysis based on sequences of the internal transcribed spacer and 5.8S ribosomal DNA regions from the different leaf spot pathogens of bananas was consistent with the definition of a new species. M. eumusae (anamorph S. eumusae) is the name proposed for the causal agent and Septoria leaf spot as the name for the disease. The presence of the pathogen has been confirmed in leaf specimens from southern India, Sri Lanka, Thailand, Malaysia, Vietnam, Mauritius, and Nigeria.
ISSN:0031-949X
1943-7684
DOI:10.1094/PHYTO.2000.90.8.884