Table 3.
Effect of different light intensity treatments on photosynthetic characteristics of soybean plants.
| Treatment | Pn (μmol CO2 m −2 s−1) | Gs (mol H2O m −2 s−1) | Ci (mol CO2 mol−1) | Tr (mmol H2O m −2 s−1) |
|---|---|---|---|---|
| L100 | 9.13 ± 0.06d | 0.32 ± 0.01d | 418.93 ± 0.19c | 1.23 ± 0.01d |
| L200 | 11.70 ± 0.06c | 0.44 ± 0.01b | 373.26 ± 0.30d | 0.98 ± 0.01e |
| L300 | 13.47 ± 0.16b | 0.37 ± 0.01c | 415.14 ± 0.48c | 1.30 ± 0.02c |
| L400 | 14.43 ± 0.01a | 0.59 ± 0.02a | 467.30 ± 0.05a | 1.74 ± 0.01b |
| L500 | 14.41 ± 0.02a | 0.44 ± 0.02b | 436.67 ± 0.28b | 1.93 ± 0.01a |
L100, L200, L300, L400, and L500, refer 100, 200, 300, 400, and 500 μmol m−2 s−1, respectively. All the values are representative of three independent experiments. Bars show ± standard errors. Within a bar, different lowercase letters show a significant difference at 5% level, between treatments.