Diversity of common bean (Phaseolus vulgaris L.) germplasm from Portugal |
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Authors: | A.P. Rodiño M. Santalla I. Montero P.A. Casquero A.M. De Ron |
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Affiliation: | (1) Legumes Breeding Group, Misión Biológica de Galicia (MBG)-Spanish Council for Scientific Research (CSIC), University of Santiago de Compostela (USC), 36080 Pontevedra, Spain |
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Abstract: | Common bean (Phaseolus vulgarisL.) is a traditional crop in Portugal, where farmers growvarieties selected and maintained by themselves. A collection of 88landraces of common bean was evaluated for 17 quantitative andqualitative traits and the biochemical marker phaseolin to displaythe degree of variation of this germplasm. Agronomic data weresubjected to cluster analysis and several groups were identified,with three groups clustering most of the landraces. Regardingphaseolin variation the C and T banding patterns are the mostfrequent ones, so the origin of the Portuguese beans is thus probablythe Andean region of South America. These results give informationabout the origin, diversity and breeding value of the Portuguesegermplasm, that could be useful to widen the genetic base ofcurrently cultivated bean varieties in Europe. |
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Keywords: | Bean Breeding Germplasm Landraces Phaseolus vulgaris Variation |
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