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Artículo

QTLs detection and mapping for yield-related traits in globe artichoke

Martin, Eugenia AlejandraIcon ; Cravero, Vanina PamelaIcon ; Lopez Anido, Fernando Sebastian; Cointry Peix, Enrique Luis
Fecha de publicación: 04/2016
Editorial: Elsevier Science
Revista: Scientia Horticulturae
ISSN: 0304-4238
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Biotecnología Agropecuaria

Resumen

The genetic basis of yield-related traits in Cynara cardunculus L. was studied in a F1 population derived from an inter-botanical varietal cross between wild cardoon and "Estrella del Sur FCA" globe artichoke. The aim of this work was identify and localize QTLs (Quantitative Trait Loci) associated with yield-related traits as a first step to marker-assisted selection. Sixty-eight polymorphic markers (SSR) were used to analyze the segregating population by ANOVA approach. A second analysis based in previous linkage maps of the species was conducted in two seasons by SIM (Simple Interval Mapping) procedure. A total of 66 QTLs associated with seven morphological traits were detected and mapped in the first evaluated season, of these 42 were validated among both seasons. All QTLs identified are major QTLs (explain >10% of phenotypic variation) and 27 of these are responsible for >20% of phenotypic variation. This work represents an initial platform for the dissection of a complex trait, such as yield in the species. Although the QTLs detected need to be more precisely mapped, they will be targets in breeding programs of globe artichoke to improve yield-related traits.
Palabras clave: Cynara Cardunculus , Head Production , Linkage Map , Molecular Markers , Quantitative Traits Locus
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
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URI: http://hdl.handle.net/11336/52711
URL: https://www.sciencedirect.com/science/article/pii/S0304423816300802
DOI: https://doi.org/10.1016/j.scienta.2016.02.033
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Articulos(IICAR)
Articulos de INST. DE INVESTIGACIONES EN CIENCIAS AGRARIAS DE ROSARIO
Citación
Martin, Eugenia Alejandra; Cravero, Vanina Pamela; Lopez Anido, Fernando Sebastian; Cointry Peix, Enrique Luis; QTLs detection and mapping for yield-related traits in globe artichoke; Elsevier Science; Scientia Horticulturae; 202; 4-2016; 156-164
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