Photosynthetic parameters | Jizhen-2 | Percent difference (%) | ZC9-3 | Percent difference (%) | ||
---|---|---|---|---|---|---|
CK | D | CK | D | |||
Pn (µmol·m− 2·s− 1) | 10.82 ± 0.21 a | 2.31 ± 0.20 c | -78.62 | 11.42 ± 0.61 a | 4.73 ± 0.18 b | -58.61 |
Tr (mmol·m− 2·s− 1) | 5.76 ± 0.11 a | 0.62 ± 0.01 c | -89.21 | 5.86 ± 0.03 a | 1.01 ± 0.07 b | -82.79 |
Ci (µmol·mol− 1) | 325.54 ± 4.15 a | 247.39 ± 5.53 c | -24.00 | 321.03 ± 1.78 a | 260.46 ± 2.95 b | -18.87 |
Gs (mol·m− 2·s− 1) | 0.288 ± 0.010 a | 0.016 ± 0.001 b | -94.44 | 0.295 ± 0.008 a | 0.024 ± 0.001 b | -91.93 |
WUEI (µmol·mmol− 1) | 1.88 ± 0.07 c | 3.73 ± 0.32 b | 98.08 | 1.95 ± 0.10 c | 4.38 ± 0.17 a | 124.60 |