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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
0 mg/L saline water      
 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
5000 mg/l saline water 6.38 10.95 31.75 65.97 36.40
5000 mg/L saline water      
 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