1999
DOI: 10.1590/s0006-87051999000100019
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Estimation of genetic parameters in the analysis of square lattice experiment group

Abstract: Aiming to demonstrate how to obtain unbiased estimates of genetic parameters of base populations, unaffected by genotype x environment effects, this paper presents the variance and covariance components of the intra-block analysis of a group of square lattice experiments and the estimators of the components associated to treatment effect. Random model and mixed models with environment effect fixed and other effects random are considered. In the analysis with treatments not corrected for blocks/replications/env… Show more

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“…Combined analysis of variance (ANOVA) was first carried out for the simple lattice design using the SAS statistical program (9.1.3 v.). Genotypic (σ 2 g ) and phenotypic (σ 2 ph ) variances were obtained from ANOVA of the components using the methods suggested by Viana and Regazzi (1999) and Toker (2004), respectively, as:…”
Section: Methodsmentioning
confidence: 99%
“…Combined analysis of variance (ANOVA) was first carried out for the simple lattice design using the SAS statistical program (9.1.3 v.). Genotypic (σ 2 g ) and phenotypic (σ 2 ph ) variances were obtained from ANOVA of the components using the methods suggested by Viana and Regazzi (1999) and Toker (2004), respectively, as:…”
Section: Methodsmentioning
confidence: 99%