Table 2.
Chlorophyll a, chl b, chl (a + b), MDA content, and H2O2 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 | chl a
(mg g−1 FW) |
chl b
(mg g−1 FW) |
chl (a + b) (mg g−1 FW) |
MDA content (nmol g−1 FW) |
H2O2 content (nmol g−1 FW) |
|---|---|---|---|---|---|
| Control | 0.984 ± 0.004 A | 0.497 ± 0.019 A | 1.480 ± 0.017 A | 18.49 ± 0.71 E | 27.66 ± 0.49 D |
| Ca | 0.971 ± 0.013 A | 0.488 ± 0.008 A | 1.459 ± 0.014 A | 20.13 ± 1.76 E | 29.41 ± 1.45 D |
| As0.5 | 0.671 ± 0.022 D | 0.328 ± 0.008 D | 0.998 ± 0.031 D | 30.69 ± 0.53 C | 45.55 ± 0.55 B |
| As0.5 + Ca | 0.834 ± 0.009 B | 0.410 ± 0.012 B | 1.244 ± 0.021 B | 23.57 ± 0.69 D | 37.08 ± 0.51 C |
| As1 | 0.560 ± 0.032 E | 0.265 ± 0.008 E | 0.825 ± 0.024 E | 51.07 ± 2.66 A | 52.13 ± 1.94 A |
| As1 + Ca | 0.735 ± 0.011 C | 0.376 ± 0.009 C | 1.111 ± 0.016 C | 37.26 ± 1.44 B | 43.67 ± 1.04 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.