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Table 4 Estimates of variance components and narrow sense heritability (h2n) of measured traits and relative efficiency of indirect selection (RSE) for improvement of DFY in evaluated genotypes of tall fescue in multiple harvest analysis

From: Genetic parameters and selection in full-sib families of tall fescue using best linear unbiased prediction (BLUP) analysis

Variance component DFY H CD NS FL
\({\sigma}_A^2\) 4350.66 75.60 12.61 71.22 9.50
\({\sigma}_p^2\) 19,102.97 223.52 30.22 189.56 31.22
\({h}_n^2\pm \mathrm{S}E\) 0.22 ± 0.04 0.32 ± 0.04 0.41 ± 0.04 0.37 ± 0.02 0.30 ± 0.03
Ry 53.21 8.37 3.94 8.91 2.93
CRy 54.12 60.55 56.17 30.47
RSE 1.01 1.13 1.05 0.57
  1. DFY dry forage yield (g/plant), PH plant height (cm/plant), CD crown diameter (cm/plant), NS number of stems per plant, FL flowering time, σ2A and σ2p additive and phenotypic variance, respectively, h2n narrow sense heritability, SE standard error, R response to selection (%), CR correlated response to selection