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. 2017 Jul 5;119(4):245–255. doi: 10.1038/hdy.2017.37

Table 1. Accuracy of phenotypic selection and predictive abilities (PAs) of genomic selection for different cross-validation (CV) schemes and selection targets for MAI, BWD and SPY in the Eucalyptus breeding population.

Attribute   MAI BWD SPY
Phenotypic
Inline graphic 35.28±16.87 471.64±33.38 50.76±2.33
h2A 0.33 0.69 0.46
h2T 0.51 0.70 0.48
 Accuracy of individual selection 0.70 0.80 0.74
 Accuracy of family selection 0.78 0.85 0.83
         
Genomic
h2G 0.26 0.67 0.37
h2G+D 0.48 0.67 0.42
 Explained h2T 94.1% 95.7% 87.5%
CV_Random: cross-validation including full- and half-sib individuals
  PA individual selection 0.49/0.52 0.65/0.64 0.53/0.51
  PA between-family selection 0.78/0.80 0.84/0.83 0.79/0.79
  PA within-family individual selection Min 0.16/0.35 0.36/0.36 0.23/0.20
  Mean 0.48/0.52 0.64/0.63 0.53/0.53
  Median 0.52/0.55 0.63/0.63 0.54/0.53
  Max 0.72/0.79 0.84/0.84 0.88/0.88
CV+Relatedness: cross-validation including only half-sib individuals
  PA individual selection 0.40/0.50 0.64/0.64 0.50/0.51
  PA between-family selection 0.76/0.79 0.74/0.75 0.68/0.66
  PA within-family individual selection Min 0.04/−0.03 0.31/0.31 0.14/0.00
  Mean 0.41/0.47 0.60/0.61 0.47/0.46
  Median 0.41/0.48 0.63/0.64 0.51/0.48
  Max 0.80/0.78 0.84/0.85 0.84/0.84
CVRelatedness: cross-validation with no relatedness
  PA individual selection 0.37/0.40 0.56/0.57 0.48/0.48
  PA between-family selection 0.52/0.56 0.63/0.75 0.65/0.65
  PA within-family individual selection Min −0.21/−0.15 0.20/0.20 0.09/0.11
  Mean 0.34/0.39 0.54/0.52 0.46/0.46
  Median 0.34/0.41 0.57/0.56 0.45/0.45
  Max 0.73/0.74 0.82/0.82 0.87/0.85

Abbreviations: BWD, basic wood density (kg m3); h2, trait heritability; h2G, genomic heritability; MAI, mean annual increment (m3 ha−1 per year); Max, maximum; Min, minimum; SPY, screened pulp yield (%); Inline graphic, phenotypic mean and their s.d.

PAs are reported for the additive-only model (G)/additive+dominance model (G+D).