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Electrophoretic study of germplasm of the common bean phaseolus vulgaris l. in secondary centers of genetic diversity the case of southeastern africa

, : Electrophoretic study of germplasm of the common bean phaseolus vulgaris l. in secondary centers of genetic diversity the case of southeastern africa. Acta Agronomica (Palmira) 39(1-2): 18-23

238 samples of Phaseolus vulgaris L. from Malawi, Zambia, Tanzania, Uganda, Rhodesia and Zimbabwe of the south-eastern of Africa were analyzed for their phaseolin types using the SDS-PAGE electrophoresis. Tracing them back to their centers of origin in the Americas, a majority of materials (69 o/o) were found to be of "T" type, indicating an origin in the Southern Andes. Evolution aspects of genetic diversity in a secondary center are discussed.


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