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 | Â | 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) |