Use este identificador para citar ou linkar para este item: https://locus.ufv.br//handle/123456789/17851
Tipo: Artigo
Título: Evaluation of different selection indices combining Pilodyn penetration and growth performance in Eucalyptus clones
Autor(es): Nunes, Andrei Caíque Pires
Resende, Marcos Deon Vilela de
Santos, Glêison Augusto dos
Alves, Rodrigo Silva
Abstract: The present study aimed to evaluate the selection indices efficiency for Pilodyn penetration combined with growth traits in Eucalyptus clones. It was carried out experiments in a randomized block design, with single tree plots and 30 replications. Diameter at breast height (DBH), total height (TH), and Pilodyn penetration as an indicator of basic density (BD) were measured. The volume was estimated. Based on predicted genotypic values, three indices presented the highest accuracies: I8 (based on partial correlation), I7 (based on the concept of multivariate BLUP) and I3 (based on two variables as ratio, which uses a third heritability estimate associated to the ratio DBH/BD, besides the two heritabilities of DBH and BD). Thus, it is possible to optimize the selection by combining properly the variables using their genetic control, precision and the relationships between them. The best options came from using only two no redundant traits DBH and BD.
Palavras-chave: Selection criteria
Accuracy
Wood quality
Partial correlation
Path analysis
Editor: Crop Breeding and Applied Biotechnology
Tipo de Acesso: Open Access
URI: http://dx.doi.org/10.1590/1984-70332017v17n3a32
http://www.locus.ufv.br/handle/123456789/17851
Data do documento: 3-Nov-2016
Aparece nas coleções:Engenharia Florestal - Artigos

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