Table 1.
Leaf age | MPa | Plant | Pn | gs | E | WUE |
(CO2 μmol m−2 s−1) | (mmol) | (mmol H2O m−2 s−1) | (μmol mmol−1) | |||
Immature | –0.7 | WT | 5.35 b | 13.96 a | 3.31 a | 1.62 b |
S41 | 5.66 a | 12.62 a | 2.84 a | 1.99 a | ||
LSD | 0.29 | 0.70 | 1.00 | 0.31 | ||
–1.0 | WT | 1.41 b | 2.05 a | 0.71 a | 1.98 a | |
S41 | 1.74 a | 2.93 a | 0.79 a | 2.21 a | ||
LSD | 0.27 | 1.30 | 0.30 | 0.50 | ||
Mature | –0.7 | WT | 2.83 b | 6.32 b | 2.26 a | 1.25 b |
S41 | 3.82 a | 8.52 a | 2.37 a | 1.61 a | ||
LSD | 0.42 | 0.40 | 0.60 | 0.30 | ||
–1.0 | WT | 0.29 a | 1.86 a | 0.55 a | 0.52 b | |
S41 | 0.26 a | 1.97 a | 0.38 a | 0.68 a | ||
LSD | 0.31 | 0.18 | 0.29 | 0.15 |