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Alfalfa (Medicago sativa L.) selection for stress-prone regions has high priority for sustainable crop–livestock systems. This study assessed the genomic selection (GS) ability to predict alfalfa breeding values for drought-prone agricultural sites of Algeria, Morocco, and Argentina; managed-stress (MS) environments of Italy featuring moderate or intense drought; and one Tunisian site irrigated with moderately saline water. Additional aims were to
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dc.contributor.author | Annicchiarico, Paolo | |
dc.contributor.author | Nazzicari, Nelson | |
dc.contributor.author | Bouizgaren, Abdelaziz | |
dc.contributor.author | Hayek, Taoufik | |
dc.contributor.author | Laouar, Meriem | |
dc.contributor.author | Cornacchione, Monica | |
dc.contributor.author | Basigalup, Daniel Horacio | |
dc.contributor.author | Monterrubio Martin, Cristina | |
dc.contributor.author | Brummer, Edward Charles | |
dc.contributor.author | Pecetti, Luciano | |
dc.date.accessioned | 2022-10-17T14:04:18Z | |
dc.date.available | 2022-10-17T14:04:18Z | |
dc.date.issued | 2022-10 | |
dc.identifier.issn | 1940-3372 | |
dc.identifier.other | https://doi.org/10.1002/tpg2.20264 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/13132 | |
dc.identifier.uri | https://acsess.onlinelibrary.wiley.com/doi/10.1002/tpg2.20264 | |
dc.description.abstract | Alfalfa (Medicago sativa L.) selection for stress-prone regions has high priority for sustainable crop–livestock systems. This study assessed the genomic selection (GS) ability to predict alfalfa breeding values for drought-prone agricultural sites of Algeria, Morocco, and Argentina; managed-stress (MS) environments of Italy featuring moderate or intense drought; and one Tunisian site irrigated with moderately saline water. Additional aims were to investigate genotype × environment interaction (GEI) patterns and the effect on GS predictions of three single-nucleotide polymorphism (SNP) calling procedures, 12 statistical models that exclude or incorporate GEI, and allele dosage information. Our study included 127 genotypes from a Mediterranean reference population originated from three geographically contrasting populations, genotyped via genotyping-by-sequencing and phenotyped based on multi-year biomass dry matter yield of their dense-planted half-sib progenies. The GEI was very large, as shown by 27-fold greater additive genetic variance × environment interaction relative to the additive genetic variance and low genetic correlation for progeny yield responses across environments. The predictive ability of GS (using at least 37,969 SNP markers) exceeded 0.20 for moderate MS (representing Italian stress-prone sites) and the sites of Algeria and Argentina while being quite low for the Tunisian site and intense MS. Predictions of GS were complicated by rapid linkage disequilibrium decay. The weighted GBLUP model, GEI incorporation into GS models, and SNP calling based on a mock reference genome exhibited a predictive ability advantage for some environments. Our results support the specific breeding for each target region and suggest a positive role for GS in most regions when considering the challenges associated with phenotypic selection. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Wiley | es_AR |
dc.rights | info:eu-repo/semantics/openAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.source | The Plant Genome : e20264 (First published: 12 October 2022) | es_AR |
dc.subject | Medicago sativa | es_AR |
dc.subject | Selección Asistida por Marcadores | es_AR |
dc.subject | Marker-assisted Selection | eng |
dc.subject | Valor Genético | es_AR |
dc.subject | Breeding Value | eng |
dc.subject | Estres | es_AR |
dc.subject | Stress | eng |
dc.subject | Estrés de Sequia | es_AR |
dc.subject | Drought Stress | eng |
dc.subject.other | Alfalfa | es_AR |
dc.subject.other | Lucerne | eng |
dc.subject.other | Selección Genómica | es_AR |
dc.subject.other | Genomic Selection | eng |
dc.title | Alfalfa genomic selection for different stress-prone growing regions | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | |
dc.description.origen | EEA Santiago del Estero | es_AR |
dc.description.fil | Fil: Annicchiarico, Paolo. Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria. Centro di Ricerca Zootecnia e Acquacoltura; Italia | es_AR |
dc.description.fil | Fil: Nazzicari, Nelson. Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria. Centro di Ricerca Zootecnia e Acquacoltura; Italia | es_AR |
dc.description.fil | Fil: Bouizgaren, Abdelaziz. Institut National de la Recherche Agronomique du Maroc. Centres Régionaux de Marrakech et de Rabat; Marruecos | es_AR |
dc.description.fil | Fil: Hayek, Taoufik. Institut des Régions Arides de Médenine; Tunez | es_AR |
dc.description.fil | Fil: Laouar, Meriem. Ecole Nationale Supérieure Agronomique. Dép. de Productions Végétales. Laboratoire d’Amélioration Intégrative des Productions Végétales; Argelia | es_AR |
dc.description.fil | Fil: Cornacchione, Monica. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santiago del Estero; Argentina | es_AR |
dc.description.fil | Fil: Basigalup, Daniel Horacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi. Grupo de Mejoramiento Genético de Alfalfa; Argentina | es_AR |
dc.description.fil | Fil: Monterrubio Martin, Cristina. Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria. Centro di Ricerca Zootecnia e Acquacoltura; Italia | es_AR |
dc.description.fil | Fil: Brummer, E. Charles. University of California at Davies. Depeparment of Plant Sciences. Plant Breeding Center,; Estados Unidos | es_AR |
dc.description.fil | Fil: Pecetti, Luciano. Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria. Centro di Ricerca Zootecnia e Acquacoltura; Italia | es_AR |
dc.subtype | cientifico |
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