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Table 1 Comparative analysis of different antioxidant enzymes and ascorbate content in 14 days old seedlings of different rice cultivars

From: Interdependency of Reactive Oxygen Species generating and scavenging system in salt sensitive and salt tolerant cultivars of rice

Cultivar

SOD (units mg protein-1)

APX (μmol min-1 mg protein-1)

CAT (μmol min-1 mg protein-1)

GPX (μmol min-1 mg protein-1)

GR (μmol min-1 mg protein-1)

DHAR (μmol min-1 mg protein-1)

MDHAR (μmol min-1 mg protein-1)

Reduced ascorbate/Oxidised ascorbate ratio

IR64

0.0243 ± 0.0023d

19.85 ± 0.563b

0.486 ± 0.012a

51.16 ± 1.65b

3.58 ± 0.045b

1.02 ± 0.016b

1.76 ± 0.068b

0.739 ± 0 .027b

PB

0.0387 ± 0.0021c

18.55 ± 0.518b

0.581 ± 0.003a

51.80 ± 0.40b

4.12 ± 0.112b

1.05 ± 0.014b

1.60 ± 0.063b

0.698 ± 0.011b

Luna Sankhi

0.0661 ± 0.0033b

26.21 ± 0.301a

0.277 ± 0.190b

68.41 ± 3.45a

5.98 ± 0.276a

1.43 ± 0.05a

2.24 ± 0.060a

0.884 ± 0.017a

Luna Suvarna

0.0866 ± 0.0008a

26.13 ± 0.230a

0.397 ± 0.013b

75.51 ± 1.68a

5.91 ± 0.072a

1.49 ± 0.05a

2.28 ± 0.075a

0.905 ± 0.033a

  1. (SOD Superoxide Dismutase, APX Ascorbate Peroxidase, CAT Catalase, GPX Guaicol Peroxidase, GR Glutathione Reductase, DHAR Dehydroascorbate Reductase, MDHAR Monodehydroascorbate Reductase). Values represent mean ± SE (n = 3)
  2. Different letters (a, b, c, d) within cultivars are significantly different (Tukey LSD, p ≤ 0.05)