Table 1. List of variables and descriptive statistics–minimum, maximum, mean, standard deviation (SD), coefficient of variation (CV) and individual narrow-sense heritabilities () with standard errors in parentheses.
Trait | Units | Description | Min | Max | Mean | SD | CV | |
---|---|---|---|---|---|---|---|---|
Wood density traits | ||||||||
RESA | - | Resistograph unadjusted density from SE | 1242.4 | 2403.1 | 1836.6 | 197.1 | 10.7 | 0.29 (0.09) |
RESB | - | Resistograph unadjusted density from SW | 1427.3 | 2492.3 | 1878.0 | 182.5 | 9.7 | 0.31 (0.09) |
RES | - | Resistograph mean unadjusted density | 1354.4 | 2365.9 | 1857.4 | 140.3 | 8.5 | 0.35 (0.10) |
REST-A | - | Resistograph detrended density from SE | 1135.4 | 2122.4 | 1632.5 | 155.7 | 9.5 | 0.36 (0.10) |
REST-B | - | Resistograph detrended density from SW | 1270.9 | 2096.2 | 1655.0 | 142.9 | 8.6 | 0.42 (0.10) |
REST | - | Resistograph mean detrended density | 1209.1 | 2041.9 | 1643.9 | 140.3 | 8.5 | 0.44 (0.11) |
RESTB-A | - | Resistograph detrended and debarked density from SE | 1246.8 | 2481.0 | 1838.9 | 183.4 | 10.0 | 0.36 (0.10) |
RESTB-B | - | Resistograph detrended and debarked density from SW | 1403.5 | 2388.1 | 1856.5 | 169.4 | 9.1 | 0.43 (0.11) |
RESTB | - | Resistograph mean detrended and debarked density | 1325.9 | 2351.6 | 1847.8 | 166.9 | 9.0 | 0.43 (0.11) |
PIL | mm | Depth of Pilodyn's pin penetration with bark | 15.0 | 31.0 | 21.7 | 2.3 | 10.8 | 0.32 (0.09) |
PILB | mm | Depth of Pilodyn's pin penetration without bark | 11.0 | 22.0 | 16.4 | 1.9 | 11.4 | 0.32 (0.09) |
DEN | kg∙m-3 | SilviScan mean density | 364.8 | 566.1 | 447.9 | 33.1 | 7.4 | 0.46 (0.10) |
EWD | kg∙m-3 | SilviScan density of earlywood | 280.0 | 403.4 | 332.9 | 23.1 | 6.9 | 0.40 (0.10) |
TWD | kg∙m-3 | SilviScan density of transition wood | 411.4 | 624.0 | 507.2 | 34.3 | 6.8 | 0.50 (0.10) |
LWD | kg∙m-3 | SilviScan density of latewood | 595.3 | 894.6 | 751.4 | 51.8 | 6.9 | 0.51 (0.11) |
Other wood and fiber traits | ||||||||
EWP | % | Proportion of earlywood | 40.3 | 67.2 | 55.3 | 4.3 | 7.8 | 0.16 (0.06) |
TWP | % | Proportion of transition wood | 18.2 | 44.3 | 29.5 | 4.2 | 14.2 | 0.12 (0.05) |
LWP | % | Proportion of latewood | 9.2 | 22.4 | 15.3 | 2.0 | 12.9 | 0.27 (0.08) |
MFA | ° | Microfibril angle | 8.5 | 33.2 | 17.3 | 4.1 | 23.8 | 0.30 (0.08) |
MOEs | GPa | Modulus of elasticity measured by SilviScan | 5.0 | 16.0 | 10.2 | 1.9 | 18.5 | 0.39 (0.09) |
FWT | μm | Fibre wall thickness | 1.9 | 3.1 | 2.5 | 0.2 | 7.9 | 0.53 (0.11) |
FCS | μg∙m-1 | Fibre coarseness | 297.2 | 505.6 | 406.4 | 33.3 | 8.2 | 0.57 (0.11) |
FRW | μm | Fibre width in radial direction | 25.8 | 32.0 | 28.7 | 1.1 | 3.7 | 0.46 (0.10) |
FTW | μm | Fibre width in tangential direction | 28.7 | 38.4 | 33.5 | 1.4 | 4.2 | 0.55 (0.11) |
Growth traits | ||||||||
DBH | cm | Diameter at breast height at age 40 | 8.2 | 29.4 | 19.7 | 3.2 | 16.3 | 0.22 (0.07) |
HGT | m | Height at age 40 | 12.2 | 19.6 | 16.3 | 1.3 | 8.1 | 0.35 (0.09) |
VOL | dm3 | Stem volume at age 40 | 35.7 | 520.0 | 251.4 | 86.8 | 34.5 | 0.22 (0.07) |
Note: Variables DEN, EWD, TWD, LWD, MFA, MOEs, FWT, FCS, FRW, FTW are area-weighted SilviScan measurements.