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

Bulletin of the National Research Centre

Table 2 Lipid peroxidase (LP) accumulations in the leaves of Ife brown (IFB) and Ife bpc (IBPC) under NaCl and Na₂SO₄ salinity stress

Treatment	Conc (dS/m)	Biochemical parameters (mean ± SE)
Treatment	Conc (dS/m)	IFB lipid peroxidase (mg/g)	IFBPC lipid peroxidase (mg/g)
NaCl	5.00	1.29 ± 0.02a	1.63 ± 0.03a
	10.00	5.37 ± 0.29c	5.91 ± 0.06d
	15.00	6.02 ± 0.25d	5.33 ± 0.03c
Na₂SO₄	5.00	1.40 ± 0.03a	9.49 ± 0.01f
	10.00	1.10 ± 0.03a	4.58 ± 0.16b
	15.00	6.82 ± 0.06e	8.70 ± 0.03e
Distilled H₂O	0.0	3.20 ± 0.17b	1.63 ± 0.13a

Means followed by different letters in the column are significantly different (P < 0.05) from one another using Duncan’s new multiple range rest (DNMRT)