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Genetic variation in Corynespora cassiicola: a possible relationship between host origin and virulence

Published online by Cambridge University Press:  24 June 2003

Watudura P. K. SILVA ,
Eric H. KARUNANAYAKE ,
Ravi L. C. WIJESUNDERA  and
Uhanowita M. S. PRIYANKA
Watudura P. K. SILVA
Affiliation:
Rubber Research Institute of Sri Lanka, Dartonfield, Agalawatta, Sri Lanka.
Eric H. KARUNANAYAKE
Affiliation:
Department of Biochemistry & Molecular Biology, Faculty of Medicine, University of Colombo, Sri Lanka. E-mail: erick@eureka.lk
Ravi L. C. WIJESUNDERA
Affiliation:
Department of Botany, Faculty of Science, University of Colombo, Sri Lanka.
Uhanowita M. S. PRIYANKA
Affiliation:
Rubber Research Institute of Sri Lanka, Dartonfield, Agalawatta, Sri Lanka.
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Abstract

Genetic variation of 42 isolates of Corynespora cassiicola, a destructive fungal pathogen of many economically important crop plants including rubber, was investigated using RAPD–PCR analysis. Five genetic groups were identified using RAPD–PCR profiles generated by eight random primers. Results indicate that there is a significant genetic variation among C. cassiicola isolates collected from different host plants. These results should facilitate the development of rubber clones with enhanced resistance against all genetic groups of C. cassiicola.

Type
Research Article
Information
Mycological Research , Volume 107 , Issue 5 , May 2003 , pp. 567 - 571
Copyright
© The British Mycological Society 2003

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