Table 1.
Arsenic content, dry weight, leaf relative water content, and proline content in rice seedlings treated with Ca under As stress. Here, Ca, As0.5, and As1 indicate 10 mM CaCl2, 0.5 mM Na2HAsO4, and 1 mM Na2HAsO4, respectively.
| Treatments | As content in shoot (mg g−1 DW) |
As content in root (mg g−1 DW) |
Dry weight (g ten seedlings−1) |
Leaf RWC (%) |
Pro content (μmol g−1 FW) |
|---|---|---|---|---|---|
| Control | ND | ND | 0.178 ± 0.004 A | 95.53 ± 2.74 A | 0.27 ± 0.02 D |
| Ca | ND | ND | 0.171 ± 0.008 AB | 93.41 ± 1.16 AB | 0.29 ± 0.03 D |
| As0.5 | 6.017 ± 0.281 B | 22.59 ± 0.467 B | 0.128 ± 0.004 D | 76.51 ± 2.43 D | 0.50 ± 0.01 B |
| As0.5 + Ca | 4.013 ± 0.0.062 C | 14.28 ± 1.059 C | 0.160 ± 0.005 B | 90.11 ± 1.92 B | 0.33 ± 0.01 C |
| As1 | 10.638 ± 0.640 A | 28.65 ± 0.138 A | 0.116 ± 0.003 E | 69.85 ± 2.32 E | 0.73 ± 0.02 A |
| As1 + Ca | 5.675 ± 0.414 B | 22.60 ± 0.181 B | 0.142 ± 0.004 C | 81.46 ± 1.79 C | 0.45 ± 0.02 B |
Means (±SD) were calculated from three replications for each treatment. Bars with different letters are significantly different at P ≤ 0.05 applying Fisher's LSD test.