Journal of Plant Breeding and Crop Science
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Article Number - 3697A0348120


Vol.6(12), pp. 185-193 , December 2014
https://doi.org/10.5897/JPBCS2014.0455
ISSN: 2006-9758


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Full Length Research Paper

Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana



Linda Arhin
  • Linda Arhin
  • Council for Scientific and Industrial Research, Oil Palm Research Institute-Kusi P. O. Box 245, Sekondi-Takoradi, Ghana.
  • Google Scholar
Lemuel Ohemeng Mintah
  • Lemuel Ohemeng Mintah
  • College of Agriculture and Consumer Sciences, University of Ghana, P. O. Box LG 44, Legon, Accra, Ghana.
  • Google Scholar
Robert Impraim
  • Robert Impraim
  • College of Agriculture and Consumer Sciences, University of Ghana, P. O. Box LG 44, Legon, Accra, Ghana.
  • Google Scholar







 Received: 04 April 2014  Accepted: 16 September 2014  Published: 01 December 2014

Copyright © 2014 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


Experiments conducted in Ghana show that cocoyam exists as mixtures of clones in farmers farms. This work aimed to use RAPD markers to determine the extent of diversity in cocoyam genotypes collected from farms at different locations in the Eastern region of Ghana. The study also investigated whether the genotypes have different adaptation to different farming systems (intercropping with plantain and sole cropping) and tillage methods (mounds and flat). The genotypes were grouped into two main clusters at 0.65 similarity coefficient of variation with accessions Pameng Red 3 and Pramkese 2 being the most diverse. The genotypes began separating at 85% similarity index into three discrete groups. Group I, (Pameng 1, Dwenase 2 and 3) did not separate at 100% similarity index. The other two groups consisted of (Pameng 2, Gyampomani 1, Gyampomani 2, Dwenase 1) and (Pramkesse 1 and Gyampomani 3). The analysis of variance of the growth parameters of the genotypes under the tillage and farming systems revealed significant differences. Generally, genotypes in group II grew better under the farming systems and tillage practices studied whiles Pramkesse 2, which did not cluster with any other genotypes in its major cluster, grew poorly under the two farming systems.

 

Key words: Cocoyam, intercropping, solecropping, mounds, flat, RAPDS.

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APA Arhin, L., Mintah, L. O. & Impraim, R. (2014). Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana. Journal of Plant Breeding and Crop Science, 6(12), 185-193.
Chicago Linda Arhin, Lemuel Ohemeng Mintah and Robert Impraim. "Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana." Journal of Plant Breeding and Crop Science 6, no. 12 (2014): 185-193.
MLA Linda Arhin, Lemuel Ohemeng Mintah and Robert Impraim. "Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana." Journal of Plant Breeding and Crop Science 6.12 (2014): 185-193.
   
DOI https://doi.org/10.5897/JPBCS2014.0455
URL http://academicjournals.org/journal/JPBCS/article-abstract/3697A0348120

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