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Genetic control of protein, oil and fatty acids content under partial drought stress and late sowing conditions in sunflower (Helianthus annuus) Inra
haddadi, P.; Yazdi-Samadi, B.; Langlade, N.; Naghavi, M.R.; Berger, M.; Kalantari, A.; Calmon, A.; Maury, P.; Vincourt, P.; Sarrafi, A..
The purpose of the present study was to map quantitative trait locus (QTLs) associated with percentage of seed protein, oil and fatty acids content under different conditions in a population of recombinant inbred lines (RILs) of sunflower. Three independent field experiments were conducted with well-, partial-irrigated and late-sowing conditions in randomized complete block design with three replications. High significant variation among genotypes is observed for the studied traits in all conditions. Several specific and non-specific QTLs for the aforementioned traits were detected. Under late-sowing condition, a specific QTL of palmitic acid content on linkage group 6 (PAC-LS.6) is located between ORS1233 and SSL66_1 markers. Common chromosomic regions...
Tipo: Journal Article Palavras-chave: CONTROLE GENETIQUE; AMELIORATION DES PLANTES; ACIDE GRAS; ENVIRONNEMENT; QTL; ACIDE LINOLEIQUE; ACIDE OLEIQUE; GENE; SANTE DES PLANTES; ANALYSE CHROMOSOMIQUE; ;   SUNFLOWER; QUANTITATIVE TRAIT LOCUS; SIMPLE SEQUENCE REPEATS; OIL CONTENT; PROTEIN CONTENT; FATTY ACIDS.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201123377941&uri=/notices/prodinra1/2011/04/
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Genetic variation, mating patterns and gene flow in a Pinus pinaster Aiton clonal seed orchard Inra
Fernandes, L.; Rocheta, M.; Cordeiro, J.; Pereira, S.; Gerber, S.; Oliveira, M.M.; Ribeiro, M.M..
L'apparentement entre parents, la variation de fertilité entre clones et la pollution pollinique font dévier le gain génétique réalisé et la diversité génétique des valeurs attendues en verger à graines de clones à pollinisation libre, en particulier pour une espèce à pollinisation anémophile comme Pinus pinaster Aiton.Ce travail étudie la variation génétique, le système de reproduction et la contamination du pollen d'un verger à graines de clones (VGC) de P. pinaster, en génotypant les 60 clones du VGC et les graines récoltées sur 21 arbres-mères pour trois marqueurs microsatellites nucléaires.La diversité attendue s'est révélée similaire mais l'hétérozygotie observée a diminué de 20 % chez les descendants par rapport aux parents. Le taux...
Tipo: Journal Article Palavras-chave: VARIATION GENETIQUE; SYSTEME DE REPRODUCTION; FLUX DE GENES; MICROSATELLITES; PIN MARITIME; VERGER A GRAINES DE CLONES; MARQUEUR GENETIC VARIATION; MATING SYSTEM; GENE FLOW; SIMPLE SEQUENCE REPEATS; MARITIME PINE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200892079bd0&uri=/notices/prodinra1/2009/11/
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