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African Crop Science Journal
African Crop Science Society
ISSN: 1021-9730
EISSN: 2072-6589
Vol. 14, No. 4, 2006, pp. 263-273
Bioline Code: cs06027
Full paper language: English
Document type: Research Article
Document available free of charge

African Crop Science Journal, Vol. 14, No. 4, 2006, pp. 263-273

 en Geographic Characterisation of African Provenances of Faidherbia albida check for this species in other resources
Dangasuk, G.O; Odaga, P.O; Were, B.A & Gudu, S

Abstract

Polymerase Chain Reaction (PCR) analysis based on Internal Franscribed Spacers (ITS) and Random Amplified Polymorphic DNA (RAPD) were carried out on sixteen provenances of Faidherbia albida check for this species in other resources currently growing in a provenance trial in semi-arid Baringo district in Kenya. The objectives of the study were to: (i) determine the phylogenetic relationship among the 16 provenances in order to establish the species centre of origin, and (ii) determine the extent of genetic diversity in F. albida using PCR markers. ITS data did not produce any consistent regional or geographic pattern. RAPD data produced a dendrogram clearly grouping the provenances into Western, Southern and Eastern African regions. The study revealed the utility of RAPD markers in understanding geographic variation and phylogenetic relationships among F. albida populations in Africa.

Keywords
DNA, Genetic diversity

 
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