Table 1 Phenotypic traits used for QTL analysis/validation and analyses of genetic architecture in each population of Pinus radiata
Trait | Description | Population | Genomic heritability (SD) | Predictive ability (SD) |
|---|---|---|---|---|
aSilviscan traits | ||||
Area | Ring area (mm2) | QTL | 0.27 (0.17) | 0.06 (0.10) |
WD | Density (kg/m3) | QTL | 0.71 (0.13) | 0.57 (0.05) |
Rad | Radial cell diameter (μm) | QTL | 0.58 (0.18) | 0.42 (0.06) |
Tan | Tangential cell diameter (μm) | QTL | 0.72 (0.12) | 0.57 (0.04) |
Crs | Fibre coarseness (μm/m) | QTL | 0.31 (0.18) | 0.10 (0.08) |
Wall | Cell wall thickness (μm) | QTL | 0.60 (0.16) | 0.41 (0.05) |
Sur | Specific surface area (m2/kg) | QTL | 0.63 (0.16) | 0.44 (0.05) |
MFA | Microfibril angle (degrees) | QTL | 0.48 (0.19) | 0.29 (0.08) |
MoE | Modulus of elasticity (GPa) | QTL | 0.47 (0.19) | 0.25 (0.08) |
Other traits | ||||
JWD_A | Density prediction for first 5 mm core (maximum moisture content method) (kg/m3) | QTL | 0.71 (0.11) | 0.55 (0.04) |
JWD_B | Density prediction for second 5 mm core (maximum moisture content method) (kg/m3) | QTL | 0.73 (0.11) | 0.61 (0.04) |
JWDb | Average of density predictions for two cores above | QTL | 0.73 (0.10) | 0.61 (0.04) |
%LW1–10 | Area weighted percent late wood ages 1–10 (%) | FWK | ||
WDc | Wood density (kg/m3) | Both | 0.77 (0.08) | 0.52 (0.04) |
DBHd | Diameter at breast height (mm) | Both | 0.19 (0.12) | 0.11 (0.07) |