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Vrn-H1 and Vrn-H2 allelic diversity in barley may explain specific adaptation to the Mediterranean environments

AuthorsCasas Cendoya, Ana María CSIC ORCID ; Yahiaoui, Samia CSIC; Cuesta-Marcos, Alfonso CSIC; Ciudad, Francisco J.; Molina-Cano, José Luis; Karsaï, Ildikó; Meszaros, K.; Lasa Dolhagaray, José Manuel CSIC; Gracia Gimeno, María Pilar CSIC ORCID ; Hayes, Patrick M.; Igartua Arregui, Ernesto CSIC ORCID ; Szücs, Péter
Variation genetique
Marqueur genetique
Region Mediterraneenne
Issue Date2008
PublisherCentre international de hautes études agronomiques méditerranéennes
CitationOptions méditerranéennes. Serie A: Seminaires mediterraneens 81: 105-109 (2008)
AbstractIn this study, allelic diversity for those genes was evaluated in a wide sample of genotypes, winter and spring, 2 and 6-row barleys, mainly from the Western Mediterranean region. It included 159 landraces from the Spanish Barley Core Collection (SBCC, Igartua et al ., 1998) and a set of 80 accessions (reference cultivars) mainly from other European countries. Specific alleles for VRN-H1 were found in the Iberian Peninsula, in a higher frequency than that seen in other materials. Allelic diversity matches with flowering time phenotypic responses across several series of field trials and controlled conditions experiments. The phenotypic differences apparently may entail adaptive responses. These results led us to initiate a marker-assisted selection program to introduce the vernalization genes of a Spanish accession into the French winter cultivar Plaisant.
Description5 Pag., 3 Fig, 1 Tabl. In Molina Cano J.L. (ed.), Christou P. (ed.), Graner A. (ed.), Hammer K. (ed.), Jouve N. (ed.), Keller B. (ed.), Lasa J.M. (ed.), Powell W. (ed.), Royo C. (ed.), Shewry P. (ed.), Stanca A.M. (ed.) . Cereal science and technology for feeding ten billion people: genomics era and beyond . Zaragoza : CIHEAM-IAMZ / IRTA, 2008. p. 105-109 : 17 réf., 1 tabl., 2 graph. (Options Méditerranéennes : Série A. Séminaires Méditerranéens ; n. 81). Meeting of the Eucarpia Cereal Section, 2006/11/13-17, Lleida (Spain)
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