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Table 3 Effect of cysteine (0, 20, and 40 mg/l) on H2O2, MDA (nmol/g fresh wt), and antioxidant enzyme activity (SOD and CAT) (U/min/g fresh wt) of soybean plant irrigated with saline water (0, 3000, and 6000 mg/l). Results are means of two successive seasons

From: Physiological and biochemical responses of soybean (Glycine max L.) to cysteine application under sea salt stress

Treatment H2O2 MDA SOD CAT
Salinity (mg/l) Cysteine (mg/l) (nmol/g FW) (U/min/g FW)
0 0 36.10 e 19.38 e 41.96 h 63.30 c
20 31.66 f 17.33 g 43.23 g 70.13 b
40 28.74 g 15.35 h 44.46 f 78.41 a
3000 0 51.89 b 27.52 b 52.02 e 51.39 f
20 35.59 e 21.31 d 55.30 d 58.07 d
40 30.95 f 18.43 f 58.41 b 63.06 c
6000 0 61.83 a 34.68 a 57.18 c 41.97 h
20 43.12 c 27.85 b 58.95 b 48.98 g
40 38.43 d 24.68 c 61.34 a 53.95 e
  1. Mean values (n = 3) in each column followed by a different letter are significantly different at ≤ 0.05 by Duncan’s multiple range test