Table 2 Pedigree-based (A) and combined pedigree marker-based (H) estimates of variance components for white spruce tree height and wood density at 0, 25, 50, 75, and 100% genotyping effort
Estimator (GE) (%)Embedded Image (HT)Embedded Image (HT)Embedded Image (HT)Embedded Image (HT)Embedded Image (WD)Embedded Image (WD)Embedded Image (WD)Embedded Image (WD)Embedded ImageAIC
A (0%)0.284 (0.074)0.046 (0.031)0.679 (0.071)0.295 (0.074)0.589 (0.100)0.010 (0.008)0.403 (0.086)0.594 (0.091)−0.035 (0.148)3125.586
H (25%)0.271 (0.067)a0.046 (0.031)a0.692 (0.064)a0.282 (0.067)a0.487 (0.080)a0.010 (0.008)a0.486 (0.0691)a0.502 (0.075)a−0.043 (0.141)a2907.071a
H (50%)0.228 (0.055)a0.046 (0.031)a0.731 (0.054)a0.237 (0.055)a0.403 (0.064)a0.009 (0.008)a0.567 (0.055)a0.416 (0.060)a−0.050 (0.138)a2672.915a
H (75%)0.196 (0.046)a0.046 (0.031)a0.762 (0.047)a0.205 (0.046)a0.339 (0.052)a0.009 (0.008)a0.628 (0.046)a0.351 (0.049)a−0.043 (0.134)a2379.521a
H (100%)0.170 (0.039)0.045 (0.031)0.786 (0.042)0.178 (0.039)0.300 (0.046)0.009 (0.008)0.666 (0.041)0.310 (0.043)−0.023 (0.133)1989.502
  • Embedded Image, Embedded Image, Embedded Image are the estimated additive genetic, block, and residual variance components. SEs in parentheses. HT, height in cm; Embedded Imageestimated narrow-sense individual tree heritability; WD, wood density in kg/m3; Embedded Image, additive genetic correlation; AIC, Akaike information criterion model fit statistic; A, pedigree-based; H, combined pedigree marker-based.

  • a Mean value(s).