Table 2.
Growth and gas exchange parameters for five DGAT + CO lines and three NT control lines 3 weeks after defoliation.
| Leaf DW (g) | Root DW (g) | Shoot DW (g) | Total DW (g) | LA (cm2) | SLA (cm2 g−1) |
gS (mol m−2 s−1) | E (mol m−2 s−1) |
|
|---|---|---|---|---|---|---|---|---|
| NT1 | 1.6 (± 0.1) | 0.9 (± 0.06) | 2.8 (± 0.1) | 3.7 (± 0.1) | 444 (± 19) | 274 (± 8) | 0.27 (± 0.01) | 2.1 (± 0.1) |
| DGAT + CO1 | 1.6 (± 0.04) | 0.7 (± 0.03) * | 2.7 (± 0.1) | 3.4 (± 0.1) | 451 (± 15) | 283 (± 9) | 0.26 (± 0.02) | 2 (± 0.2) |
| DGAT + CO2 | 1.6 (± 0.05) | 0.9 (± 0.07) | 2.7 (± 0.1) | 3.6 (± 0.2) | 454 (± 11) | 284 (± 8) | 0.28 (± 0.02) | 2.1 (± 0.2) |
| NT2 | 0.8 (± 0.03) | 0.4 (± 0.03) | 1.4 (± 0.1) | 1.9 (± 0.1) | 206 (± 15) | 260 (± 15) | 0.15 (± 0.01) | 1.2 (± 0.1) |
| DGAT + CO3 | 1.2 (± 0.03)** | 0.9 (± 0.05)** | 2.4 (± 0.1)** | 3.3 (± 0.1)** | 359 (± 9)** | 290 (± 5) | 0.34 (± 0.01)** | 2.5 (± 0.1)** |
| DGAT + CO4 | 1.4 (± 0.1)** | 0.9 (± 0.06)** | 2.5 (± 0.1)** | 3.4 (± 0.1)** | 415 (± 19)** | 287 (± 8) | 0.3 (± 0.01)** | 2.2 (± 0.1)** |
| NT3 | 0.9 (± 0.1) | 0.5 (± 0.04) | 2.1 (± 0.1) | 2.5 (± 0.2) | 197 (± 17) | 213 (± 8) | 0.0.18 (± 0.02) | 1.5 (± 0.2) |
| DGAT + CO5 | 1.3 (± 0.1)* | 0.8 (± 0.06)** | 3.2 (± 0.2)** | 4 (± 0.3)** | 433 (± 31)** | 343 (± 9)** | 0.32 (± 0.03)** | 2.6 (± 0.2)** |
LA, leaf area; SLA, specific leaf area; gs, stomatal conductance; E, transpiration. Means ± SE. * or ** indicates statistically significant difference from respective non-transformed control (p < 0.05 and 0.01 respectively). n = 10. Lines with matching genetic backgrounds are grouped together.