Table 2.
Genotypes and traits | No water | Partially watered | Fully watered |
---|---|---|---|
Inbred B73 | |||
Root pressure (ΨR) (MPa) | 0.0005 (0.0005)b | 0.015 (0.020)b | 0.078 (0.050)a |
Root flow rate (QR) (mg s-1) | 0.009 (0.005)b | 0.054 (0.070)b | 0.284 (0.081)a |
Nighttime evapotranspiration (mg s-1) | 0.376 (0.134)b | – | 0.905 (0.219)a |
Nighttime transpiration (mg s-1) | – | – | 0.131 (0.146) |
Pre-dawn Ψleaf (MPa) | 1.71 (0.28)a | 0.395 (0.204)b | 0.173 (0.044)c |
Pre-dawn Ψsoil (MPa) | 0.777 (0.571)a | 0.274 (0.234)b | 0.008 (0.016)b |
Inbred CML103 | |||
Root pressure (ΨR) (MPa) | 0.0008 (0.0005)b | 0.014 (0.017)ab∗ | 0.052 (0.047)a∗ |
Root flow rate (QR) (mg s-1) | 0.009 (0.007)c | 0.115 (0.132)b | 0.443 (0.092)a |
Nighttime evapotranspiration (mg s-1) | 0.693 (0.240)b | – | 1.04 (0.204)a |
Nighttime transpiration (mg s-1) | – | – | 0.182 (0.106) |
Pre-dawn Ψleaf (MPa) | 1.09 (0.36)a | 0.232 (0.084)b | 0.138 (0.077)b |
Pre-dawn Ψsoil (MPa) | 0.468 (0.235)a | 0.190 (0.117)b | 0.006 (0.009)c |
Tukey mean separation (α = 0.05) is denoted with lowercase letters. Borderline significance (α = 0.10) is denoted with an ‘∗’. Values in parentheses denote 1 SD.