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The genetic diversity of Jatropha Curcas (L.) germplasm in Ghana as revealed by random amplified polymorphic DNA (RAPD) primers

The genetic diversity of Jatropha Curcas (L.) germplasm in Ghana as revealed by random amplified... Jatropha curcas (L.) has gained popularity as a biodiesel plant to serve as an alternative fuel source and generate income to small landholders. The success of J. curcas as alternative fuel source and income generation depends on the identification of genetically divergent materials of the plant and developing superior planting stocks for farmers. This paper presents genetic diversity assessment of 40 representative accessions drawn from 90 accessions collected from ten regions of Ghana based on their seed yield performance. Random Amplified Polymorphic DNA (RAPD) analysis on the 40 accessions with ten primers revealed an average polymorphism of 24.99%. Genotype Genotype*Environmental biplot analysis which incorporates divergence effects due to genotype (PC1) and interactions between genotype and field parameters (PC2) was 44.7%. Hence the RAPD information indicates narrow genetic diversity among the accessions used in the study and J. curcas germplasm in Ghana. It is therefore recommended that local germplasm of J. curcas should be officially conserved and immediate efforts be made to widen the genetic base through research and introduction from other regions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

The genetic diversity of Jatropha Curcas (L.) germplasm in Ghana as revealed by random amplified polymorphic DNA (RAPD) primers

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References (3)

Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer Science+Business Media Dordrecht
Subject
Life Sciences; Forestry; Agriculture
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1007/s10457-012-9488-6
Publisher site
See Article on Publisher Site

Abstract

Jatropha curcas (L.) has gained popularity as a biodiesel plant to serve as an alternative fuel source and generate income to small landholders. The success of J. curcas as alternative fuel source and income generation depends on the identification of genetically divergent materials of the plant and developing superior planting stocks for farmers. This paper presents genetic diversity assessment of 40 representative accessions drawn from 90 accessions collected from ten regions of Ghana based on their seed yield performance. Random Amplified Polymorphic DNA (RAPD) analysis on the 40 accessions with ten primers revealed an average polymorphism of 24.99%. Genotype Genotype*Environmental biplot analysis which incorporates divergence effects due to genotype (PC1) and interactions between genotype and field parameters (PC2) was 44.7%. Hence the RAPD information indicates narrow genetic diversity among the accessions used in the study and J. curcas germplasm in Ghana. It is therefore recommended that local germplasm of J. curcas should be officially conserved and immediate efforts be made to widen the genetic base through research and introduction from other regions.

Journal

Agroforestry Systems – Springer Journals

Published: Nov 1, 2012

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