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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