Table 1 Statistics for each wood quality related trait and growth: mean, standard deviation (SD) and coefficient of phenotypic variation (CPV).

Mechanical

properties

(M)

LGS

Mean Longitudinal Growth Strain (μm)

72

13

0.18

E_p

Primary value of Modulus of elasticity (GPa)

9

1

0.14

E₃₀

Mean Modulus of elasticity at 30 months (GPa)

11

1

0.12

E_2i

Modulus of elasticity after inflection point (GPa)

14

2

0.13

Technological

properties

(T)

SId

Splitting Index at 1 day

1.19

0.48

0.41

SIw

Splitting Index at 1 week

0.96

0.49

0.51

SIm

Splitting Index at 1 months

1.06

0.48

0.45

Physical

properties

(P)

Pil14

Pilodyn at 14 months (mm)

25

3

0.10

Pil26

Pilodyn at 26 months (mm)

26

2

0.09

Pil38

Pilodyn 38 months (mm)

25

3

0.11

Pil51

Pilodyn 51 months (mm)

28

2

0.09

Pil59

Pilodyn 59 months (mm)

27

3

0.11

Pil59u

Pilodyn, under bark, 59 months (mm)

22

3

0.13

μD

Mean microdensity (g.dm^-3)

501

40

0.08

Chemical

composition

(C)

Text

Extractive content (%)

3.70

0.62

0.17

Klass

Lignin content (wood %)

24.6

0.8

0.03

G

G content (μmol.g^-1 lignin)

624

77

0.12

S

S content (μmol.g^-1 lignin)

2504

405

0.16

S/G

S/G ratio

4.03

0.53

0.13

Poly

Polyphenols content (mg.g^-1)

4551

1742

0.38

Fla

Flavanols content (mg.g^-1)

249

148

0.59

Anatomical properties

(A)

FWL

weighted fibre length (mm)

1.28

0.05

0.04

FW

Fibre width (μm)

33

1

0.03

Coar

Fibre coarseness (μg.mm^-1)

0.0966

0.0025

0.03

Curl

Fibre curl index (%)

15.8

1.1

0.07

Growth (G)

Ht59

Total height at 59 month old (m)

24.2

2.4

0.10

Cir59

Circumference (1.3 m) at 59 month old (cm)

54

9

0.16