Table 1.
Growth parameters of 7-week-old transgenic and wild type plants grown in short days at 100 μmol quanta m−2 s−1 at ambient (380 ppm) or at high CO2 (2000 ppm) concentrations.
| Wild type | GO–MS | GMK3 | GMK9 | |
|---|---|---|---|---|
| NL | ||||
| 380 ppm | 34.7 ± 1.5 | 33.4 ± 0.5 | 40.9 ± 2.1 | 31.9 ± 2.5 |
| 2000 ppm | 31.0 ± 0.4 | 32.0 ± 0.6 | 31.1 ± 0.6 | 32.1 ± 0.5 |
| DW (g) | ||||
| 380 ppm | 0.11 ± 0.02 | 0.07 ± 0.03 | 0.15 ± 0.02 | 0.09 ± 0.02 |
| 2000 ppm | 0.18 ± 0.02 | 0.19 ± 0.08 | 0.20 ± 0.08 | 0.20 ± 0.06 |
| FW (g) | ||||
| 380 ppm | 1.38 ± 0.28 | 0.62 ± 0.14 | 1.77 ± 0.19 | 0.82 ± 0.21 |
| 2000 ppm | 1.85 ± 0.16 | 1.85 ± 0.08 | 1.99 ± 0.84 | 2.00 ± 0.59 |
NL, number of all visible leaves; DW, shoot dry weight (whole rosettes); FW, shoot fresh weight (whole rosettes). The values presented are the means ± SE of at least 14 plants each. The values set in bold case indicate significant differences to the wild type values (Student’s t-test P < 0.05).