Table 5 Predictive accuracy and relative efficiency from cross-validated models using realized (GEBVGS) and average (EBVTS) relationship matrices for early (10 and 15 years) and mature (30 and 40 years) interior spruce tree height

From: A comparison of genomic selection models across time in interior spruce (Picea engelmannii × glauca) using unordered SNP imputation methods

Age

r(EBV TS ,EBV)

r(GEBV GS ,EBV)

Efficiency

Increase (%)

10

0.20a (0.003)

0.22a (0.004)

1.12

112

15

0.29a (0.002)

0.31a (0.002)

1.06

106

30

0.45 (0.003)

0.43 (0.003)

1.29b

129

40

0.43 (0.004)

0.43 (0.003)

1.33b

133

  1. Abbreviations: EBV, estimated breeding values; GEBV, genomic breeding values. Standard errors in parentheses.
  2. aRepresents the temporal predictive accuracy.
  3. bAssumes a 25% reduction in breeding cycle length attributed to genomic selection.