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Physiological analysis of Chang7-2 and Zheng58 seedlings under saline conditions (100 mM NaCl treatment for 0.5 h and 2 h). Proline content of root (a) and shoot (b); Hydrogen peroxide content of root (c) and shoot (d). * indicates significant difference at 0.05; ** indicates a difference at the 0.01 level determined by Student’s t-test. Red, Chang7-2; Light green, Zheng58.
