Table 2 Growth rate indicators, number of leaves, and cellulose content (± SD) in the 18-month-old aspen transgenic and control lines in semi-natural conditions

59.4 ± 1.97

6.6 ± 0.22

25.8 ± 0.95

24.2 ± 0.84

383.2 ± 10.97

61.1 ± 2.14

6.5 ± 0.15

25.8 ± 0.78

26.2 ± 1.05

381.2 ± 12.33

53.3 ± 1.91

6.2 ± 0.23

20.5 ± 1.00

25.3 ± 0.88

397.6 ± 11.52

59.3 ± 2.34

6.9 ± 0.20

28.2 ± 0.93

25.1 ± 0.90

426.4 ± 12.39*

69.6 ± 2.67*

7.9 ± 0.23*

43.4 ± 1.04*

29.4 ± 0.99*

411.3 ± 11.57*

51.2 ± 1.85

6.5 ± 0.16

21.63 ± 0.87

25.2 ± 0.82

388.7 ± 11.44

60.5 ± 2.02

6.1 ± 0.22

22.51 ± 0.98

25.0 ± 1.07

379.6 ± 10.86