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Diversifcaton of cultvated barley and selecton footprints in the landraces of the Iberian Peninsula

AuthorsIgartua Arregui, Ernesto ; Contreras-Moreira, Bruno ; Serrano-Notivoli, Roberto ; Pérez Cantalapiedra, Carlos ; Beguería, Santiago ; Gracia Gimeno, María Pilar ; Casas Cendoya, Ana María
Issue DateJun-2019
PublisherUniversidad de Zaragoza
CitationReferencia4th International Brachypodium Conference (Huesca. June 25-29, 2019) BRACHYPODIUM 2019
AbstractWe performed an associaton of genetc and agroclimatc data to fnd out the main factors driving the landrace distributon over the Iberian Peninsula. For this purpose, a set of high-resoluton maps of climatc variables, computed from over 2,000 temperature and 7,000 precipitaton statons across peninsular Spain was built, and specifc agroclimatc variables that could afect barley growth were derived. An inital associaton was carried out with 7,479 SNP markers, combining Illumina Infnium assays and genotyping-by-sequencing. Further associaton with a subset of genotypes and exome-capture data helped to narrow down the search of possible candidate genes. We report a number of associatons that suggest that diferental adaptaton of the germplasm groups identfed are dominated by responses to winter temperatures and frost, followed by response to water availability. Several candidate genes underlying some of the main regions are proposed.
Description1 Pag.
Appears in Collections:(EEAD) Comunicaciones congresos
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