Table 1.
Chl fluorescence and photosynthetic parameters of WT and yel mutant.
| Plant | ΦPSII | ETR | Fv/Fm | Pn (μmol·CO2·m−2·s−1) | Gs (mol·H2O·m−2·s−1) | Ci (μmol·CO2·m−2·s−1) | Tr (mmol·H2O·m−2·s−1) |
|---|---|---|---|---|---|---|---|
| WT | 0.74 ± 0.02 | 9.43 ± 0.05 | 0.84 ± 0.01 | 17.57 ± 0.21 | 0.90 ± 0.16 | 268.0 ± 6.55 | 10.62 ± 0.36 |
| yel | 0.71 ± 0.01 * | 6.93 ± 0.07 ** | 0.73 ± 0.01 ** | 5.65 ± 0.17 ** | 0.48 ± 0.09 ** | 264.0 ± 13.50 NS | 3.40 ± 0.22 ** |
ΦPSII, effective quantum yield of PSII; ETR, electron transport rate; Fv/Fm, maximum quantum yield of PSII; Pn, net photosynthetic rate; Gs, stomatal conductance; Ci, intercellular CO2 concentration; Tr, transpiration rate. Values are given as means ± SD (n = 3). NS, no significant change. * (p < 0.05) and ** (p < 0.01) indicate significant differences between WT and ye1 (Student’s t-test).