Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru
Ñuña is a local type of common bean (Phaseolus vulgaris L.) cultivated in the Andean region of Peru. It stands out for its ability to expand and burst when roasted; however, its phenotypic diversity has not yet been fully explored. This study determined the phenotypic variability of Ñuña conserved...
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Bioversity International
2025-02-01
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| Series: | Genetic Resources |
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| Online Access: | https://www.genresj.org/index.php/grj/article/view/201 |
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| author | Angel Esteban Santa Cruz Padilla Jorge Luis Vásquez-Orrillo Ricardo Manuel Bardales-Lozano Hipolito Murga-Orrillo |
| author_facet | Angel Esteban Santa Cruz Padilla Jorge Luis Vásquez-Orrillo Ricardo Manuel Bardales-Lozano Hipolito Murga-Orrillo |
| author_sort | Angel Esteban Santa Cruz Padilla |
| collection | DOAJ |
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Ñuña is a local type of common bean (Phaseolus vulgaris L.) cultivated in the Andean region of Peru. It stands out for its ability to expand and burst when roasted; however, its phenotypic diversity has not yet been fully explored. This 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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| format | Article |
| id | doaj-art-1fb4bffb4805458eb87724bd2343ddcb |
| institution | Kabale University |
| issn | 2708-3764 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Bioversity International |
| record_format | Article |
| series | Genetic Resources |
| spelling | doaj-art-1fb4bffb4805458eb87724bd2343ddcb2025-02-07T12:53:36ZengBioversity InternationalGenetic Resources2708-37642025-02-0161110.46265/genresj.PMKY4140Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in PeruAngel Esteban Santa Cruz Padilla0Jorge Luis Vásquez-Orrillo1Ricardo Manuel Bardales-Lozano2Hipolito Murga-Orrillo3Instituto Nacional de Innovación Agraria (INIA)Instituto Nacional de Innovación Agraria (INIA)Universidad Nacional de la Amazonía Peruana (UNAP)Universidad Nacional Autónoma del Alto Amazonas (UNAAA) Ñuña is a local type of common bean (Phaseolus vulgaris L.) cultivated in the Andean region of Peru. It stands out for its ability to expand and burst when roasted; however, its phenotypic diversity has not yet been fully explored. This 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. https://www.genresj.org/index.php/grj/article/view/201Qualitative traitsquantitative traitshierarchical analysislegumegermplasm |
| spellingShingle | Angel Esteban Santa Cruz Padilla Jorge Luis Vásquez-Orrillo Ricardo Manuel Bardales-Lozano Hipolito Murga-Orrillo Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru Genetic Resources Qualitative traits quantitative traits hierarchical analysis legume germplasm |
| title | Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru |
| title_full | Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru |
| title_fullStr | Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru |
| title_full_unstemmed | Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru |
| title_short | Assessment of phenotypic diversity of Ñuña, a local common bean (Phaseolus vulgaris L.) from the northern Andes in Peru |
| title_sort | assessment of phenotypic diversity of nuna a local common bean phaseolus vulgaris l from the northern andes in peru |
| topic | Qualitative traits quantitative traits hierarchical analysis legume germplasm |
| url | https://www.genresj.org/index.php/grj/article/view/201 |
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