title: Combining-groups in cultivated sunflower populations (Helianthus annuus L.) and their relationships with the country of origin.
abstract: Using four tester lines an analysis of combining abilities for seed yield, seed moisture content and seed oil content was performed on 39 cultivated sunflower populations originating from ten countries. A between-populations structure based on specific combining abilities (SCA) was designed, defining separate combining-groups for each of the four testers. This structure corresponds to the country in which the populations originated.
authors.affiliation: Station de Génétique et Amélioration des Plantes, Institut National de la Recherche Agronomique, 34130, Mauguio, France.
authors.forename: M
authors.initials: M
authors.lastname: Tersac
authors.forename: D
authors.initials: D
authors.lastname: Vares
authors.forename: P
authors.initials: P
authors.lastname: Vincourt