From: Impact of RAV1-engineering on poplar biomass production: a short-rotation coppice field trial
CsRAV1 OX#60 | CsRAV1 OX#37 | Wild-type | PtaRAV1&2 KD#22 | PtaRAV1&2 KD#1 | |
---|---|---|---|---|---|
First rotation | |||||
Year 2012 | |||||
Stem height (cm) | 321.3 ± 5.0a | 313.8 ± 3.7ab | 318.1 ± 4.0a | 295.2 ± 5.6b | 313.9 ± 4.6ab |
Stem diameter (mm) | 12.9 ± 0.4a | 12.8 ± 0.3a | 11.9 ± 0.3ab | 10.7 ± 0.4b | 11.8 ± 0.3ab |
Stem volume (cm3) | 413.5 ± 26.2ns | 381.7 ± 20.3ns | 376.1 ± 25.4ns | 317.4 ± 24.4ns | 383.5 ± 25.2ns |
Basal area (cm2) | 3.8 ± 0.2ns | 3.6 ± 0.2ns | 3.5 ± 0.2ns | 3.1 ± 0.2ns | 3.6 ± 0.2ns |
Year 2013 | |||||
Stem height (cm) | 506.8 ± 11.1ns | 484.8 ± 9.2ns | 498.8 ± 12.7ns | 496.1 ± 11.5ns | 475.7 ± 15.4ns |
Stem diameter (mm) | 24.8 ± 0.6a | 23.1 ± 0.5ab | 23.3 ± 0.6ab | 22.4 ± 0.6ab | 21.5 ± 0.8b |
Stem volume (cm3) | 2090.3 ± 111.2ns | 1747.1 ± 120.1ns | 1855.7 ± 129.2ns | 1790.9 ± 118.6ns | 1589.7 ± 123.8ns |
Basal area (cm2) | 12.2 ± 0.5a | 10.6 ± 0.6ab | 10.9 ± 0.6ab | 10.7 ± 0.6ab | 9.7 ± 0.6b |
Second rotation | |||||
Year 2014 | |||||
Dominant shoot height (cm) | 537.9 ± 11.9bc | 515.6 ± 11.5b | 602.3 ± 10.1a | 565.4 ± 9.8ac | 574.8 ± 9.1ac |
Dominant shoot diameter (mm) | 21.1 ± 0.9a | 20.6 ± 0.8a | 26.7 ± 0.8b | 24.6 ± 1.0b | 26.4 ± 0.8b |
Dominant shoot volume (cm3) | 1713.7 ± 155.8ns | 1515.6 ± 138.6ns | 2444.5 ± 170.1ns | 1936.1 ± 131.5ns | 2274.6 ± 146.6ns |
Basal area (cm2) | 82.7 ± 9.2ns | 88.4 ± 12.4ns | 92.7 ± 12.6ns | 104.9 ± 15.8ns | 94.1 ± 10.7ns |
Year 2015 | |||||
Dominant shoot height (cm) | 704.1 ± 20.0a | 679.5 ± 20.5a | 793.5 ± 16.9b | 728.2 ± 21.0ab | 779.7 ± 15.5b |
Dominant shoot diameter (mm) | 31.2 ± 1.3a | 30.0 ± 1.2a | 36.6 ± 1.3b | 33.3 ± 1.3ab | 35.9 ± 1.0b |
Dominant shoot volume (cm3) | 3818.1 ± 389.6ns | 3291.2 ± 303.9ns | 4809.4 ± 402.4ns | 3972.7 ± 359.9ns | 4736.5 ± 319.0ns |
Basal area (cm2) | 124.9 ± 26.0ns | 106.8 ± 13.8ns | 109.5 ± 15.3ns | 119.2 ± 16.8ns | 108.1 ± 12.1ns |