Datos del Documento

Por favor, use este identificador para citar o enlazar este documento: https://ria.asturias.es/RIA/handle/123456789/11147
Título : Genetic diversity in a core collection established from the main bean genebank in Spain
Autor : Pérez Vega, Elena
Campa Negrillo, Ana
Rosa, Lucía de la
Giráldez, Ramón
Ferreira, Juan José
Palabras clave : Phaseolus vulgaris L.
Centro de Recursos Fitogenéticos (CRF)
Diversidad genética
Fecha de publicación : 2009
Editorial : Crop Science Society of America
Citación : Pérez Vega, E... [et al.]. Genetic diversity in a core collection established from the main bean genebank in Spain. Crop Science. 2009 ; 49 : 1377-1386
Resumen : Common bean (Phaseolus vulgaris L.) is a traditional crop in many Spanish regions. A major collection of Spanish common bean landraces is maintained at the National Genebank in the Center for Plant Genetic Resources (CRF), Alcala de Henares, Madrid, Spain. A core collection including 200 common bean accessions was established from the CRF collection. We sought to analyze the genetic diversity of this CRF core collection using morpho-agronomic traits, phaseolin seed protein, and a set of 11 molecular markers. Accessions were classifi ed in 65 groups according to their seed phenotype. Seventy-one accessions have appropriate qualities for culinary use as green or snap beans. The four bean growth habits were present among the accessions included in the CRF core collection, with the indeterminate climbing habit (Type IV; 113 accessions) being the most common. Five different phaseolin patterns were found, the most common being type C (86 accessions), followed by types T (59 accessions) and S (42 accessions). With the set of molecular markers used, an average number of 6.18 alleles marker−1 and an average polymorphism information content marker−1 of 0.66 were found. The dendrogram and the principal components analysis developed using the molecular marker data revealed the existence of two main groups of accessions corresponding to the Middle American and the Andean gene pools, respectively, and suggested the existence of some intermediate forms. The possible origin of these putative intermediate forms is discussed. Knowledge of the genetic diversity in the CRF core collection will contribute to improved use and conservation of Spanish bean genetic resources.
URI : https://ria.asturias.es/RIA/handle/123456789/11147
ISSN : 0011-183X
Aparece en las colecciones: Agroalimentación y Ganadería
Open Access DRIVERset

Archivos en este documento:
Fichero Tamaño Formato  
Archivo.pdf880.31 kBAdobe PDFVer/Abrir
Mostrar el registro Completo

Ver estadísticas del documento

Este documento está sujeto a una licencia Creative Commons: Licencia Creative Commons Creative Commons