In saline soil, supplementing selenium could significantly enhance the biomass, ratio of root and top, soluble sugar content, POD activity, ratio of K + and Na + and absolute concentrations of K + and Na + in Rumex patientia×R tianshannicus, and decrease plasmamembrane permeability and free proline content Under salt stress, Rumex patientia×R tianshannicus supplemented with selenium or not showed the same characteristics as common plants Cell membrane system was indistinct, thylakoids swel...