Table 3.

Effects of application of Na₂SeO₄ or Na₂SeO₃ at different concentrations on free proline and MDA contents, and electrolyte leakage in durum wheat shoots exposed to salt stress

Salt stress NaCl (mM)	Se supply (μM)	Na2SeO4			Na2SeO3
		Free proline (µg g FW−1)	MDA (mmol g FW−1)	Electrolyte leakage (%)	Free proline (µg g FW−1)	MDA (mmol g FW−1)	Electrolyte leakage (%)
0	0	42.24 ± 2.16d	9.68 ± 0.54d	8.36 ± 0.96d	42.24 ± 2.16d	9.68 ± 0.54c	8.36 ± 0.96c
50	0	73.59 ± 3.01a	18.15 ± 0.36a	24.69 ± 1.12a	73.59 ± 3.01a	18.15 ± 0.36a	24.69 ± 1.12a
50	0.1	69.82 ± 2.59a	17.11 ± 1.05ab	23.56 ± 1.01a	70.53 ± 2.54ab	17.86 ± 0.96a	23.97 ± 1.21a
50	1	62.40 ± 2.39b	15.14 ± 1.23bc	19.24 ± 0.87b	63.69 ± 1.59bc	16.00 ± 0.54ab	20.04 ± 1.18b
50	2	54.72 ± 1.69c	13.35 ± 1.37c	16.36 ± 0.60c	56.72 ± 2.31c	13.95 ± 0.91b	17.57 ± 0.96b
50	4	44.76 ± 2.21d	10.09 ± 0.64d	10.22 ± 0.88d	45.80 ± 1.36d	11.09 ± 1.01c	11.11 ± 1.00c
50	8	63.43 ± 2.00b	16.59 ± 0.78ab	16.06 ± 1.03c	65.29 ± 1.54b	17.69 ± 0.90a	18.46 ± 0.96b
50	10	70.53 ± 1.26a	17.16 ± 1.11ab	22.31 ± 1.20a	73.50 ± 2.68a	18.15 ± 1.21a	24.36 ± 1.10a

Data are mean ± SD of five replicates. Different letters in a column indicate significant differences at P < 0.05