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Official Journal of the Japan Wood Research Society

Table 7 Age–age correlations between the mean of all radial positions and each radial position for all traits

From: Radial variations of broad-sense heritability in wood properties and classification of load–deflection curves in static bending for six half-sib families of Chamaecyparis obtusa

Trait Radial Position
1st–6th 7–12th 13th–21st 22nd–34th
ARW 0.538 (0.021) 0.724 (< 0.000) 0.212 (0.397) 0.303 (0.221)
TL 0.652 (0.003) 0.839 (< 0.000) 0.947 (< 0.000) 0.773 (< 0.000)
MFA 0.859 (< 0.000) 0.797 (< 0.000) 0.927 (< 0.000) 0.922 (< 0.000)
BD 0.580 (0.011) 0.443 (0.065) 0.412 (0.089) 0.686 (0.001)
AD 0.920 (< 0.000) 0.904 (< 0.000) 0.881 (< 0.000) 0.876 (< 0.000)
MOE 0.752 (< 0.000) 0.931 (< 0.000) 0.901 (< 0.000) 0.918 (< 0.000)
MOR 0.730 (< 0.000) 0.745 (< 0.000) 0.748 (< 0.000) 0.905 (< 0.000)
W 0.671 (0.002) 0.787 (< 0.000) 0.623 (0.005) 0.740 (< 0.000)
CS 0.843 (< 0.000) 0.896 (< 0.000) 0.927 (< 0.000) 0.912 (< 0.000)
  1. Number of sample trees = 18
  2. ARW annual ring width, TL tracheid length, MFA microfibril angle, BD basic density, AD air-dry density, MOE modulus of elasticity, MOR modulus of rupture, W bending work, CS compressive strength
  3. The values indicate correlation coefficients
  4. The values in parentheses indicate p-values
  5. The values in bold indicate correlation coefficients with a significance level less than 0.05