Morphological, agronomic, and isozyme characterization of some accessions of groundnuts (Arachis hypogaea L.)
Danquah, E.Y., Blay, E.T. and Fosu-Nyarko, J. (2000) Morphological, agronomic, and isozyme characterization of some accessions of groundnuts (Arachis hypogaea L.). Ghana Journal of Agricultural Science, 33 . pp. 43-53.
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Seventeen accessions of ground nuts (Arachis hypogaea L.) were characterized at the University of Ghana, Legon, 10 identity useful variation tor the genetic improvement of the crop. Using morphological and agronomic markers based on six qualitative and: 11 quantitative descriptors, wide variations were shown among the accessions. Each of the accessions was distinct except four, which fell into two groups of two each. Starch gel electrophoresis of crude protein extracted from the root-tip tissue of the accessions to study variation in esterase, peroxidase and acid phosphatase, also exposed variations among the accessions. Acid phosphatase showed the most variation while peroxidase showed the least variation. When all of the three isozymes were considered, it was possible to unambiguously distinguish 13 of the 17 accessions. The remaining four tell into two groups of two each. The results of the study indicated that isozymes are useful in the characterization of groundnuts.
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|Publisher:||National Science & Technology Press|
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