Free Access

Table I

Average RS, XD, MFA and FL in each tested location.

Averaged value 3.5-year-old 7-year-old 12-year-old
RS (%) –0.0753 –0.0735 –0.0726
(± 0.0163)# (± 0.0138) (± 0.0012)
XD (g/cm3) 0.56 0.58 0.52
(± 0.04) (± 0.04) (± 0.04)
MFA (deg.) 17.3 17.3 15.2
(± 2.4) (± 2.4) (± 2.5)
FL (mm) 1.20 1.35 1.29
(± 0.12) (± 0.10) (± 0.12)
Number of trees 50 36 3

RS: Longitudinal released strain of surface growth stress. XD: Air-dried density at the surface of the xylem. MFA: Microfibril angle in the middle layer of the secondary wall at the surface of the xylem. FL: Fiber length at the surface of the xylem.

#

± 1 SD.