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Registros recuperados: 5
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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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Low level of pollen-mediated gene flow from cultivated to wild grapevine: consequences for the evolution of the endangered subspecies Vitis vinifera L. subsp. silvestris Inra
Di Vecchi-Staraz, M.; Laucou, V.; Bruno, G.; Lacombe, T.; Gerber, S.; Bourse, T.; Boselli, M.; This, P..
A parentage and a paternity-based approach were tested for estimation of pollen-mediated gene flow in wild grapevine (Vitis vinifera L. subsp. silvestris), a wind-pollinated species occurring in Mediterranean Europe and southwestern Asia. For this purpose, 305 seedlings collected in 2 years at 2 locations in France from 4 wild female individuals and 417 wild individuals prospected from France and Italy were analyzed using 20 highly polymorphic microsatellite loci. Their profiles were compared with a database consisting of 3203 accessions from the Institut National de la Recherche Agronomique Vassal collection including cultivars, rootstocks, interspecific hybrids, and other wild individuals. Paternity was assigned for 202 (66.2%) of the 305 seedlings,...
Tipo: Journal Article Palavras-chave: ANALYSE DE PATERNITÉ; DISPERSION DU POLLEN; PLANTE TRANSGÉNIQUE; VIGNE SAUVAGE; MICROSATELLITE; EXTRACTION D'ADN PATERNITY ANALYSIS; POLLEN DISPERSAL; ROOTSTOCK; SEEDLING; TRANSGENIC PLANT; TRUE-TO-TYPE.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20097040a34d&uri=/notices/prodinra1/2009/03/
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Patterns of gene flow in white oak stands across Europe Inra
Gerber, S.; Chadoeuf, J.; Fogelqvist, J.; Lascoux, M.; Bordacs, S.; Borovics, A.; Buiteveld, J.; Cottrell, J.; Cseke, K.; Dounavi, A.; Fineschi, S.; Forrest, L.; Goicoechea, P.G.; Gugerli, F.; Jensen, J.S.; Salvini, D.; Vendramin, G.G.; Kremer, A..
Tipo: Conference Paper Palavras-chave: SEED DISPERSAL; POLLEN DISPERSAL; MICROSATELLITE MARKERS; NUCLEAR MICROSATELLITES; OAK; PARENTAGE; PATERNITY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010cae183a5&uri=/notices/prodinra1/2010/06/
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Testing for unequal paternal contributions using nuclear and chloroplast SSR markers in polycross families of radiata pine Inra
Kumar, S.; Gerber, S.; Richardson, T.E.; Gea, L..
The lack of male pedigree control is the major limitation of an otherwise very useful and cost effective mating design, namely, the polycross. This study was conducted to investigate the relative contribution of different pollen parents to the sound-seeds stage, and also in a field progeny trial. Pollen from 15 radiata pine (Pinus radiata D. Don) parents was mixed in equal volume and applied to the same 15 parents, potentially allowing selfing. Samples of 8-year-old offspring were genotyped from five polycross families, and available seed from three of these five families was tested for unequal paternal contributions. The total paternal exclusion probability of five chloroplast markers and four microsatellite markers in our study was 99.1%. Overall, 81% of...
Tipo: Journal Article Palavras-chave: SUCCES REPRODUCTEUR; PEDIGREE MOLECULAR MARKERS; POLYCROSS; PEDIGREE RECONSTRUCTION; REPRODUCTIVE SUCCESS; SELFING; GCA.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20077ca65b98&uri=/notices/prodinra1/2007/10/
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What can nuclear microsatellites tell us about maritime pine genetic resources conservation and provenance certification strategies? Inra
Derory, J.; Mariette, S.; Gonzalez-Martinez, S.C.; Chagné, D.; Madur, D.; Gerber, S.; Brach, J.; Persyn, F.; Ribeiro, M.M.; Plomion, C..
Tipo: Conference Paper Palavras-chave: MICROSATELLITE NUCLEAIRE; DIVERSITE GENETIQUE; CERTIFICATION DE PROVENANCE; PROVENANCE.
Ano: 2002 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300011665096196&uri=/notices/prodinra1/2009/12/
Registros recuperados: 5
Primeira ... 1 ... Última
 

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