Table 1. Biomass data for two independent cohorts of wild-type and transgenic plants used in acute drought experiments.
Trial 1 | Trial 2 | Mean | ||||||||||||||||
WT | SUT4-G | WT | SUT4-G | WT | SUT4-G | |||||||||||||
Height (cm) | 104.02±8.30 | 93.36±8.14 | 137.51±9.44 | 132.68±6.22 | 121.88±19.13 | 109.45±21.07 | ||||||||||||
Diameter (mm) | ||||||||||||||||||
LPI 5 | 6.11±0.40 | 5.93±0.47 | 5.90±0.25 | 6.12±0.31 | 6.00±0.34 | 6.01±0.42 | ||||||||||||
LPI 20 | 9.97±1.03 | 9.31±0.94 | 9.42±0.66 | 9.63±0.44 | 9.68±0.88 | 9.44±0.78 | ||||||||||||
Base | 10.04±0.89 | 9.63±0.90 | 11.77±0.82 | 12.29±0.87 | 10.96±1.21 | 10.72±1.59 | ||||||||||||
Height:Diameter Ratio | 10.39±0.68 | 9.71±0.56 | 11.69±0.45 | 10.73±0.84 | 11.08±0.87 | 10.07±0.82 | ||||||||||||
Height Growth Rate (cm/day) | 2.89±0.21 | 3.02±0.22 | 2.49±0.22 | 2.42±0.26 | 2.68±0.30 | 2.77±0.38 | ||||||||||||
Leaf Area (cm2) | ||||||||||||||||||
LPI 6 | 199.70±38.74 | 230.72 ± 37.70 | 175.76±28.34 | 206.81±55.23 | 187.31±35.31 | 222.36±44.70 | ||||||||||||
LPI 15 | 316.62±40.05 | 366.86±57.48 | 373.06±68.18 | 400.41±60.59 | 346.72±62.80 | 378.60±59.29 | ||||||||||||
Tissue Dry Mass (g) | ||||||||||||||||||
Total Aboveground | 125.51±35.23 | 114.42±33.95 | 123.51±13.00 | 132.58±25.02 | 124.36±23.86 | 119.87±31.38 | ||||||||||||
Leaf | 48.25±10.69 | 45.86±11.39 | 45.67±5.64 | 52.29±1.75 | 46.78±7.92 | 47.79±9.84 | ||||||||||||
Stem | 77.26±25.62 | 68.56±23.21 | 77.84±10.08 | 80.29±23.37 | 77.59±17.53 | 72.08±22.64 | ||||||||||||
Wood (% of Stem dry mass) | 74.54±1.15 | 73.14±0.46 | 74.01±0.83 | 73.26±2.25 | 74.24±0.98 | 73.18±1.12 | ||||||||||||
Bark (% of Stem dry mass) | 25.46±1.15 | 26.86±0.46 | 25.99±0.83 | 26.74±2.25 | 25.76±0.98 | 26.82±1.12 | ||||||||||||
Root | 14.17±5.91 | 11.82±3.62 | 15.85±3.18 | 12.89±1.80 | 15.13±4.43 | 12.14±3.12 | ||||||||||||
Tissue Mass Ratio | ||||||||||||||||||
Leaf:Stem | 0.65±0.11 | 0.69±0.11 | 0.59±0.09 | 0.68±0.16 | 0.62±0.10 | 0.69±0.12 | ||||||||||||
Leaf:Root | 3.64±0.79 | 3.99±0.92 | 2.99±0.74 | 4.10±0.46 | 3.27±0.80 | 4.02±0.78 | ||||||||||||
Stem:Root | 5.67±0.94 | 5.92±1.81 | 5.04±0.89 | 6.16±1.03 | 5.31±0.93 | 5.99±1.56 | ||||||||||||
Shoot:Root | 9.30±1.54 | 9.91±2.66 | 8.03±1.53 | 10.25±0.79 | 8.58±1.61 | 10.01±2.21 | ||||||||||||
Water Concentration (% FW) | ||||||||||||||||||
Wood | 72.2±1.48 | 74.22±0.82 | 72.85 ± 1.20 | 75.53 ± 2.90 | 72.57±1.31 | 74.61±1.65 | ||||||||||||
Bark | 80.23±0.81 | 80.34±1.28 | 79.19±0.99 | 79.20±4.43 | 79.63±1.03 | 80.00±2.40 |
Values are means ± SD. Bold values represent p≤0.05 and italicized values represent 0.05<p<0.1, as determined by Student's t-test.