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dc.contributor.author
Leon, A. J.
dc.contributor.author
Andrade, Fernando Héctor
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dc.contributor.author
Lee, M.
dc.date.available
2019-05-08T19:13:06Z
dc.date.issued
2000-03
dc.identifier.citation
Leon, A. J.; Andrade, Fernando Héctor; Lee, M.; Genetic Mapping of Factors Affecting Quantitative Variation for Flowering in Sunflower; American Society of Agronomy; Crop Science; 40; 2; 3-2000; 404-407
dc.identifier.issn
0011-183X
dc.identifier.uri
http://hdl.handle.net/11336/75891
dc.description.abstract
The number of days from seedling emergence to flowering (DTF) is a major consideration in sunflower (<em>Helianthus annuus</em> L.) breeding because the maximum yield of the crop can only be achieved if the cultivars are phenologically adapted to the production environment. Identification of genetic factors that affect flowering could create opportunities for improved breeding methods and for more fundamental investigations of this important trait and its interactions with the environment. The objectives of this study were to locate quantitative trait loci (QTL) for DTF in an elite sunflower population evaluated in four environments. Two hundred thirty-five F<sub>2</sub>-generation plants and their F<sub>3</sub> progeny of a single-cross population of two divergent inbred lines were evaluated in four environments (Fargo, ND and Venado Tuerto, Daireaux, and Balcarce in Argentina). Detection of QTL was facilitated with a genetic linkage map of 205 loci defined by restriction fragment length polymorphism (RFLP) and composite interval mapping. Five QTL of five linkage groups accounted for 89% of the genetic variation for DTF. Gene action was additive at four QTL and dominant at the other locus. Three QTL were detected in all environments and generations. The parental effects and the relative magnitudes of the genetic effects of those QTL were consistent across generations and environments.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Society of Agronomy
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Qtl
dc.subject
Rlfp
dc.subject
Flowering
dc.subject
Sunflower
dc.subject.classification
Agricultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Genetic Mapping of Factors Affecting Quantitative Variation for Flowering in Sunflower
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-03-27T18:06:37Z
dc.identifier.eissn
1435-0653
dc.journal.volume
40
dc.journal.number
2
dc.journal.pagination
404-407
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Leon, A. J.. Zeneca Semillas; Argentina
dc.description.fil
Fil: Andrade, Fernando Héctor. Instituto Nacional de Tecnología Agropecuaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
dc.description.fil
Fil: Lee, M.. Iowa State University; Estados Unidos
dc.journal.title
Crop Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.crops.org/publications/cs/abstracts/40/2/404
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.2135/cropsci2000.402404x
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