Genetic evaluation of Pinus taeda clones from somatic embryogenesis and their genotype x environment interaction
AUTOR(ES)
Dias, Poliana Coqueiro, Xavier, Aloizio, Resende, Marcos Deon Vilela de, Barbosa, Márcio Henrique Pereira, Biernaski, Fabrício Antonio, Estopa, Regiane Abjaud
FONTE
Crop Breed. Appl. Biotechnol.
DATA DE PUBLICAÇÃO
2018-03
RESUMO
Abstract The objective of this study was to evaluate the genotype x environment interaction and to estimate the genetic components of variance and mean using mixed models in early selection of 238 clones of Pinus taeda propagated by somatic embryogenesis. The experiment consisted of a complete blocks design, with 12 replications, with one plant per plot, in four environments, at 1, 3, and 4 years of age. Estimates of heritability and of genetic gains in the evaluated environments showed good prospects for selection of superior genotypes. The effect of genotype x environment interaction was pronounced for all traits investigated. With the simultaneous selection for stability and adaptability, 10% genetic gain was obtained in relation to the mean of the commercial controls. This estimated gain indicates that the somatic embryogenesis technique has been effective in propagation of clones with good productive potential.
Documentos Relacionados
- Interação genótipo x ambiente na avaliação genética de búfalos
- Multivariate analyses of genotype x environment interaction of popcorn.
- Multivariate analyses of genotype x environment interaction of popcorn.
- Genotype x Environment Interaction with Isogenic Lines of Drosophila Melanogaster
- Genotype x environment interaction analysis of multi-environment wheat trials in India using AMMI and GGE biplot models