Fig. 3

Percentage of improvement obtained by maintaining seeds 5 days in darkness at different salinity levels (NaCl) (600, 800, 1000 and 1200 mM NaCl) with respect to the control (seeds without treatment) for the different locations tested: A) M₁ (Sebkhet Cherita), B) M₂ (Agareb coast), C) M₃ (Kraten), D) M₄ (Tinto River estuary), E) M₅ (Rábida) and F) M₆ (San Juan del Puerto). The asterisk indicates means within an analyzed variable that is significantly different from the corresponding control treatment (t-Student; level of significance (p < 0.05))