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. 2012 Aug 31;7(8):e44467. doi: 10.1371/journal.pone.0044467

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.