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Table 5 Phenotypic correlations (above the diagonal) and genetic correlations (below the diagonal) among growth and wood traits of trees from progeny trials in the mixed forest

From: Rapid assessment of wood traits for large-scale breeding selection in Picea mariana [Mill.] B.S.P.

Group of traits   Growth Wood density Intra-ring density Modulus of elasticity
  Variable TH DBH DBH/TH RW res WD vol WD pil WD res EWD res LWD res V fak MoE fak+pil
Growth TH   0.59 −0.15 0.18 −0.21 0.19 −0.17 −0.18 −0.11 0.12 0.02
DBH 0.69   0.70 0.45 −0.31 0.33 −0.16 −0.15 −0.10 −0.20 −0.32
DBH/TH −0.18 0.59   0.39 −0.20 0.24 −0.04 −0.03 −0.03 −0.35 −0.41
RW res 0.36 0.93 0.83   −0.26 0.11 0.03 −0.01 0.08 −0.26 −0.27
Wood density WD vol −0.40 −0.52 −0.23 −0.40   −0.41 0.38 0.36 0.37 0.14 0.30
WD pil 0.36 0.41 0.13 0.51 −0.88   −0.49 −0.44 −0.47 −0.02 −0.46
WD res −0.39 −0.36 −0.03 −0.55 0.96 −0.95   0.95 0.93 −0.15 0.09
Intra-ring density EWD res −0.44 −0.37 0.02 −0.65 0.92 −0.94 1.00   0.91 −0.18 0.05
LWD res −0.30 −0.39 −0.15 −0.50 0.90 −0.94 1.00 0.99   −0.14 0.09
Modulus of elasticity V fak 0.29 0.10 −0.18 0.04 −0.10 0.32 −0.36 −0.44 −0.24   0.89
MoE fak+pil 0.19 −0.03 −0.24 −0.12 0.19 0.03 −0.07 −0.16 0.07 0.96  
  1. TH total height, DBH diameter at breast height, DBH/TH diameter-to-height ratio, RW res Resistograph® ring width, WD vol volumetric wood density, WD pil Pilodyn wood density, WD res Resistograph® wood density, EWD res Res. earlywood density, LWD res Res. latewood density, V fak Fakopp acoustic velocity, MoE fak+pil Fakopp and Pilodyn-derived modulus of elasticity.