Table 6 Effect of chitosan and calcium carbonate (0, 20 and 40 mg/L) on H2O2, MDA (µg/100 g fresh wt), and antioxidant enzymes (SOD, POX and CAT U/min/g FW) activities of wheat plant growing under different salinity levels (0, 5000 mg/L)
From: Attenuation of negative effects of saline stress in wheat plant by chitosan and calcium carbonate
Treatments | H2O2 | MDA | SOD | POX | CAT |
|---|---|---|---|---|---|
Control | 4.46 | 7.76 | 28.53 | 62.99 | 24.82 |
0Â mg/L saline water | Â | Â | Â | Â | Â |
 20 mg/L chitosan | 4.14 | 7.43 | 32.68 | 66.59 | 11.72 |
 40 mg/L chitosan | 4.07 | 7.31 | 35.52 | 68.75 | 12.27 |
 20 mg/L CaCO3 | 4.24 | 7.62 | 31.45 | 65.54 | 11.69 |
 40 mg/L CaCO3 | 4.14 | 7.54 | 33.87 | 67.77 | 12.29 |
5000Â mg/l saline water | 6.38 | 10.95 | 31.75 | 65.97 | 36.40 |
5000Â mg/L saline water | Â | Â | Â | Â | Â |
 20 mg/L chitosan | 5.43 | 9.39 | 36.24 | 68.23 | 14.62 |
 40 mg/L chitosan | 5.04 | 8.11 | 37.90 | 72.30 | 15.55 |
 20 mg/L CaCO3 | 5.53 | 9.61 | 35.49 | 67.62 | 13.94 |
 40 mg/L CaCO3 | 4.90 | 8.68 | 36.85 | 69.55 | 14.85 |
LSD (5%) | 0.13 | 0.17 | 0.30 | 0.54 | 0.49 |