Identification of a new race of Hemileia vastatrix in Brazil

In this study, a survey of physiological races of Hemileia vastatrix was carried out on 34 coffee leaf rust populations collected at several coffee genotypes in Brazil. After the inoculation on leaf disc of coffee differential clones, the races I, II, III, XIII, XVII and XXXVII were characterised. T...

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Bibliographic Details
Published in:Australasian Plant Disease Notes 2009-12, Vol.4 (1), p.129-130
Main Authors: Cabral, P. G. C., Zambolim, E. M., Zambolim, L., Lelis, T. P., Capucho, A. S., Caixeta, E. T.
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Ecology
Entomology
Life Sciences
Plant Pathology
Plant Sciences
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Summary:In this study, a survey of physiological races of Hemileia vastatrix was carried out on 34 coffee leaf rust populations collected at several coffee genotypes in Brazil. After the inoculation on leaf disc of coffee differential clones, the races I, II, III, XIII, XVII and XXXVII were characterised. This is the first report of race XXXVII on Coffea arabica in Brazil, which shows the evolutionary potential of H. vastatrix . The emergence of complex races like XXXVII represents a challenge for breeders in the development of resistant cultivars.
ISSN:1833-928X
1448-6032
DOI:10.1071/DN09052