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Table 4 Harvested tree measurements for the stem bending and control treatments in October 2008

From: Effect of stem bending and soil moisture on the incidence of resin pockets in radiata pine

Properties

Control

Stem bending, Spring

Stem bending, Summer – water stressed

Stem bending, Summer – released from water stress

% of failure load

 

30

30-40

30-40

Diameter at breast height, cm

21.3 (18.9-24.6)

22.4 (17.9-25.8)

23.6 (21.4-25.3)

22.6 (18.4-26.2)

Tree height, m

13.5 (12.6-15.0)

14.0 (12.8-16.3)

14.2 (13.0-15.1)

13.6 (12.7-14.0)

Mean internode length, cm

29 (23–35)

25 (22–31)

29 (24–34)

30 (27–33)

Mean whorl depth, cm

8 (6–10)

8 (7–10)

9 (8–11)

9 (7–10)

Max branch diameter per whorl, mm

21 (16–24)

20 (15–25)

23 (21–27)

22 (18–24)

Max branch diameter, mm

52 (29–73)

57 (33–105)

54 (42–64)

53 (38–88)

Acoustic velocity, km/s

4.0 (3.6-4.4)

4.0 (3.3-4.5)

4.0 (3.7-4.3)

3.9 (3.5-4.2)

  1. Average and range in brackets. No significant differences occurred between the treatments (least significant difference test, α=0.05).