Table 4.
α-Cellulose content, cell wall crystallinity, microfibril angle (MFA), and wood density of stem segments (PI = 5 to PI = 15) of SuSy transgenic and wild-type poplar trees
| Transgenic Line | α-Cellulose (% dry weight) | Cell wall crystallinity (%) | MFA (°) | Wood density (kg/m3) |
|---|---|---|---|---|
| Control | 31.96 (0.07) | 51.40 (0.51) | 16.70 (0.35) | 288.8 (14.1) |
| 2 × 35S::SuSy 1 | 38.29 (1.22)*† | 56.60 (1.75)*† | 15.66 (0.81) | 345.6 (29.6)*† |
| 2 × 35S::SuSy 2 | 36.61 (0.54)† | 54.00 (1.00)† | 16.63 (0.87) | 334.4 (14.8)*† |
| 2 × 35S::SuSy 3 | 35.76 (1.20)† | 56.40 (1.44)*† | 16.63 (0.55) | 310.6 (13.4)† |
| 4CL::SuSy 1 | 37.13 (0.04)*† | 53.40 (0.75)*† | 16.43 (1.31) | 315.8 (23.4)*† |
| 4CL::SuSy 2 | 37.35 (0.87)† | 53.25 (0.48)*† | 19.08 (1.22) | 328.1 (18.7)*† |
| 4CL::SuSy 3 | 35.90 (0.47)† | 53.00 (1.00) | 18.21 (0.88) | 324.7 (32.2)*† |
| 4CL::SuSy 4 | 35.08 (0.46)*† | 54.00 (1.00)*† | 17.30 (1.04) | 365.5 (31.2)*† |
Mean (SE) values were calculated from 3 plants per line.
*, significance at α = 0.05;
†, significant difference from control values at α = 0.10.