Enhanced tolerance to high salinity in SOR plants.

<p>(A) Plant growth under normal conditions (upper panel) and salt stress (250 mM NaCl) for 4 days (middle panel) and 7 days (lower panel). (B) Relative transcript levels of <i>IbOr</i> in leaves. (C) Relative chlorophyll contents of alfalfa plants after 3 days of salt treatment. (D) MDA contents in leaves after 3 days of salt treatment. (E) Proline contents of alfalfa plants after 3 days of salt treatment. (F) DAB staining for H₂O₂ accumulation in the third detached leaves after 3 days of 250 mM NaCl treatment. The values represent the mean ± SD of three independent replicates. Asterisks indicate a significant difference from that of NT at * <i>P < 0</i>.<i>05</i> or ** <i>P < 0</i>.<i>01</i> by <i>t</i>-test.