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dc.contributor.authorLopes, Rodrigo Ramospt_BR
dc.contributor.authorSouza, Cleber Henrique Lopes dept_BR
dc.contributor.authorPereira, Emerson Andrépt_BR
dc.contributor.authorGasparetto, Bruno Frosipt_BR
dc.contributor.authorDall'Agnol, Miguelpt_BR
dc.contributor.authorFranke, Lucia Brandaopt_BR
dc.date.accessioned2017-12-05T02:21:45Zpt_BR
dc.date.issued2017pt_BR
dc.identifier.issn1516-3598pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/170793pt_BR
dc.description.abstractThis study aimed to determine the variability and expression of the components of seed yield in twenty-three apomictic Paspalum plicatulum × Paspalum lepton hybrids and two male parent plants (P. lepton). We used a randomized block design with genotypes individually arranged into ten blocks. The variables were: number of total tillers/plant, number of vegetative tillers/plant, number of reproductive tillers/plant, percentage of reproductive tillers, number of racemes/inflorescence, number of seeds/inflorescence, weight of a thousand seeds, and seed yield. We assessed genetic variability using multivariate procedures: generalized Mahalanobis distance, Tocher’s clustering optimization method, and quantification of the relative contribution of the variables. The quantification of variability, based on the components of seed yield of Paspalum plicatulum × Paspalum lepton hybrids, allows the formation of six groups of genotypes using Tocher’s method, with high means for the characteristics studied. Weight of a thousand seeds and number of seeds/inflorescence were the traits that most contributed to the genetic dissimilarity. Genetic crosses involving genotype 10E5052 from group VI and 10E4071 from group V could be undertaken to isolate high yielding segregants, since these genotypes have high seed yielding potential.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofRevista brasileira de zootecnia= Brazilian journal of animal science [recurso eletrônico]. Viçosa, MG. Vol. 46, n.4 (abr. 2017), p. 296-302pt_BR
dc.rightsOpen Accessen
dc.subjectApomitic genotypesen
dc.subjectSementept_BR
dc.subjectVariabilidade genéticapt_BR
dc.subjectPlicatulaen
dc.subjectSeed productionen
dc.subjectPlanta forrageirapt_BR
dc.subjectWeight of thousand seedsen
dc.titleGenetic variability of the components of seed yield in interspecific hybrids of Paspalumpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001047102pt_BR
dc.type.originNacionalpt_BR


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