Use este identificador para citar ou linkar para este item: http://repositorio.inpa.gov.br/handle/123/3726
Título: Phenotypic divergence among grapevine accessions of the germplasm collection at IAC
Autor(es): Mara Fernandes Moura
Marco Antonio Tecchio
Alison Fernando Chiorato
TERRA, Maurilo Monteiro
Erasmo José Paioli Pires
José Luiz Hernandes
Nara Fernandes Moura
Adriana Renata Verdi
Assunto: grapevine
rootstocks
ISSN: 0567-7572
Revista: Acta Horticulturae
Volume: 1
Resumo: Germplasm bank characterization as well as adequate statistical methods allows the identification of divergent parents. Therefore, this study aimed to evaluate the genetic divergence among 56 accessions of grapevine of the Germplasm Collection at Instituto Agronômico - IAC, characterized by eight quantitative traits. Multivariate analyses were used to quantify the divergence among the accessions. Euclidian distance, principal components and Tocher’s clustering method were applied. The Tocher’s method applied to the matrix of Euclidian distance with scores of principal components discriminated seven groups, with the first two comprised 69.64% and 17.86% respectively of total access. About 77,27% of the total variation was explained by the first two main components and 86,94% was explained by the three first main components obtained with eight components analysis. Thus, the multivariate analysis to study genetic diversity applied to the quantitative characters (Tocher’s clustering method and principal components) agreed among themselves, being efficient for analysis of the genetic diversity of germplasm of grapevine at IAC, which can be used for guidance in future crosses for breeding of this species. However, additional characteristics related to productivity, cycle and quality of most will be realized and added to these works of diversity.
URI: http://repositorio.inpa.gov.br/handle/123/3726
ISSN: 0567-7572
DOI: https://dx.doi.org/10.17660/ActaHortic.2014.1046.81
Aparece nas coleções:Coordenação de Tecnologia e Inovação (COTI)

Arquivos associados a este item:
Não existem arquivos associados a este item.


Este item está licenciada sob uma Licença Creative Commons Creative Commons