Fig. 1.

Effects of application of Na₂SeO₄ or Na₂SeO₃ at different concentrations on growth parameters of durum wheat seedlings exposed to salt stress. Values are means of five replicates ± SD. Different letters indicate significant difference at P < 0.05. FW fresh weight. Control 0 mM NaCl+0 μM Se (only deionized water), S0 50 mM NaCl + 0 μM Na₂SeO₄ (or Na₂SeO₃), S1 50 mM NaCl + 0.1 μM Na₂SeO₄ (or Na₂SeO₃), S2 50 mM NaCl + 1 μM Na₂SeO₄ (or Na₂SeO₃), S3 50 mM NaCl + 2 μM Na₂SeO₄ (or Na₂SeO₃), S4 50 mM NaCl + 4 μM Na₂SeO₄ (or Na₂SeO₃), S5 50 mM NaCl + 8 μM Na₂SeO₄ (or Na₂SeO₃), S6 50 mM NaCl + 10 μM Na₂SeO₄ (or Na₂SeO₃)