Data/hora: 10/06/2024 17:28:14

Biblioteca(s): | Embrapa Gado de Leite.
Data corrente: | 14/02/2017
Data da última atualização: | 30/01/2023
Autoria: | REZENDE, B. A.; RIBEIRO, C. B.; TEIXEIRA, D. H. L.; GOLÇALVES, F. M. A.; SOUZA SOBRINHO, F. de.
Afiliação: | B. A. Rezende, UFLA; C. B. Ribeiro, UFLA; D. H. L. Teixeira, UFLA; F. M. A. Gonçalves, UFLA; FAUSTO DE SOUZA SOBRINHO, CNPGL.
Título: | Phenotypic characteristics for discrimination between advanced genotypes of Brachiaria ruziziensis.
Ano de publicação: | 2016
Fonte/Imprenta: | Genetics and Molecular Research, v. 15, n. 1, gmr.15017774, 2016.
Idioma: | Inglês
Conteúdo: | Abstract The aim of this study was to use multivariate methods and Pearson and partial correlations to disregard phenotypic characteristics that contribute little to differentiation between Brachiaria ruziziensis genotypes. Eighty-one genotypes of B. ruziziensis were assessed in completely randomized blocks with three replications. Ten phenotypic characteristics were assessed: plant height, leaf length, leaf width, sheath length, length of the flower stem, length of the inflorescence axis, number of racemes per inflorescence, length of the basal raceme, number of spikelets per basal raceme, and width of the rachis. The best traits for differentiation between genotypes were determined by assessing relative contribution to diversity, canonical variables, as well as Pearson and partial correlations. Four canonical variables were found to account for 57% of the overall variation, while plant height, sheath length, and number of racemes per inflorescence were considered traits that could potentially be disregarded in future assessments.
Palavras-Chave: | Correlations between traits; Genetic divergence.
Thesaurus Nal: | multivariate analysis; plant breeding.
Categoria do assunto: | F Plantas e Produtos de Origem Vegetal
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/155585/1/Cnpgl-2016-GMR-Phenotypic.pdf
Registro original: | Embrapa Gado de Leite (CNPGL)
Exemplares: | CNPGL - (23284-1) - UPC - AP - DD -  -  -  - DIS