Table 1.
Effect of VPD on the responses to vein cutting.
| Steady state | Maximum change from steady state | ||||||
|---|---|---|---|---|---|---|---|
| VPD | A (μmol m-2 s-1) | E (mmol m-2 s-1) | gs (mol m-2 s-1) | A (μmol m-2 s-1) | E (mmol m-2 s-1) | gs (mol m-2 s-1) | T (°C) |
| 0.5 | 21.6 ± 3.1a | 7.3 ± 0.9a | 1.2 ± 0.3a | -7.8 ± 5.2a | 0.3 ± 0.7a | 0.3 ± 0.4a | -0.14 ± 0.09a |
| 1.25 | 21.6 ± 2.7a | 8.8 ± 0.8b | 0.6 ± 0.1b | -8.9 ± 1.3a | 1.9 ± 0.9b | 0.3 ± 0.2a,b | -0.26 ± 0.12a |
| 2.0 | 18.4 ± 3.2a | 10.8 ± 3.2c | 0.4 ± 0.1b | -8.9 ± 5.3a | 1.7 ± 0.8b | 0.1 ± 0.2a,c | -0.21 ± 0.19a |
Errors are standard deviations and letters in superscripts are different if differences between VPD treatments are significant at the p = 0.05 level.