Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru

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dc.contributor.authorSanta Cruz Padilla, Angel Esteban
dc.contributor.authorVasquez Orrillo, Jorge Luis
dc.contributor.authorBardales Lozano, Ricardo Manuel
dc.contributor.authorMurga Orrillo, Hipolito
dc.date.accessioned2025-03-12T19:29:29Z
dc.date.available2025-03-12T19:29:29Z
dc.date.issued2025-02-07
dc.description.sponsorshipThis work was supported by the Subdirección de Recursos Genéticos de la Estación Experimental Agraria Baños del Inca of the Instituto Nacional de Innovación Agraria - INIA. The authors would like to thank Armando Linares Estrada and Sebastián Llico Sánchez for their support in the field.
dc.description.tableofcontentsThis study determined the phenotypic variability of Ñuña conserved in the Germplasm Bank of the National Institute of Agrarian Innovation of Peru. The analysis considered qualitative and quantitative traits, using multivariate statistics and comparison of means. Results revealed high phenotypic variability in both qualitative and quantitative traits. In qualitative traits, Multiple Correspondence Analysis found that the dark and light colours of the seed heads contributed most significantly to the variability of the accessions. Phylogenetic hierarchical analysis formed four clusters, representing 37% (I), 4% (II), 7% (III), and 52% (IV) of the accessions, respectively. For quantitative traits, Principal Component Analysis showed no discrimination between regions of origin but indicated a highly positive correlation between leaf length and width, and between pod length and width, as well as seed length, width, thickness and weight. Hierarchical analysis of quantitative characters also formed four clusters, representing 22% (A), 16% (B), 30% (C), and 31% (D) of the accessions, respectively. These clusters, analyzed for means comparison, showed significant differences (p < 0.05) with higher values in cluster B for pod length and width, and seed length, width, thickness and weight. Understanding the variability of the qualitative and quantitative traits of Ñuña is crucial for future genetic improvement studies aimed at achieving cultivars with desirable characteristics.
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dc.identifier.citationSanta Cruz-Padilla, A. E., Vásquez-Orrillo, J. L., Bardales-Lozano, R. M., Murga-Orrillo, H. (2025). Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru. Genetic Resources 6 (11), 1-13. doi: 10.46265/genresj.PMKY4140.
dc.identifier.doi10.46265/genresj.PMKY4140
dc.identifier.urihttp://hdl.handle.net/20.500.12955/2660
dc.language.isoeng
dc.publisherGenetic Resources
dc.publisher.countryGB
dc.relation.ispartof2708-3764
dc.relation.ispartofseriesGenetic Resources
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceInstituto Nacional de Innovación Agraria
dc.source.uriRepositorio Institucional - INIA
dc.subjectQualitative traits
dc.subjectquantitative traits
dc.subjecthierarchical analysis
dc.subjectlegume
dc.subjectgermplasm
dc.subject.agrovocgermplasm, Phaseolus vulgaris, legumes, phenotypic diversity, genetic improvement
dc.subject.ocdehttps://purl.org/pe-repo/ocde/ford#4.01.01
dc.titleAssessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru
dc.typeinfo:eu-repo/semantics/article

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