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Table 1 Proline accumulations in the leaves of Ife brown (IFB) and Ife bpc (IBPC) under NaCl and Na2SO4 salinity stress

From: Antioxidant enzymes and non-enzymatic antioxidants as defense mechanism of salinity stress in cowpea (Vigna unguiculata L. Walp)—Ife brown and Ife bpc

Treatment Conc (dS/m) Biochemical parameters (mean ± SE)
IFB proline (mg/g) IFBPC proline (mg/g)
NaCl 5.00 13.06 ± 0.14b 16.05 ± 0.04d
  10.00 14.15 ± 0.40bc 12.69 ± 0.03b
  15.00 14.53 ± 0.42 cd 12.07 ± 0.04a
Na2SO4 5.00 14.85 ± 0.21d 15.76 ± 0.00e
  10.00 13.75 ± 0.19b 14.38 ± 0.04d
  15.00 12.94 ± 0.24a 13.34 ± 0.04c
Distilled H2O 0.0 13.77 ± 0.05b 14.26 ± 0.43d
  1. Means followed by different letters in the column are significantly different (P < 0.05) from one another using Duncan’s new multiple range test (DNMRT)