This study evaluated the salt tolerance and sodium (Na) bioaccumulation of Typha orientalis, Lepironia articulata, Eleocharis dulcis, Scirpus littoralis, Brachiaria mutica, Paspalum atratum and Setaria sphacelata at five salinity levels of 0, 5, 10, 15 and 20‰ (corresponding to 0, 2.4, 6.9, 12.6 and 18 g NaCl L). S. littoralis showed zero-reduction in total dry biomass and was classified as a salt tolerant plant based on the membership function value. The highest Na accumulation was observed in S. sphacelata (307.9 mg plant) in spite of its salt sensitivity, followed by S. littoralis and T. orientalis at concentration of 155 mg plant. Consequently, the Na phytoextraction potential of these species can be estimated as 46.2, 23.3 and 23.3 kg ha over 49 days, respectively. Taken together, they show high potential as Na hyperaccumulators, and can be selected in the national reclamation program for salt-affected soils in the context adaptation to climate change.
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