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Changes in proline content of the cells under osmotic stresses. Proline content of live cells in media supplemented with 50 m M NaCl, 100 mM NaCl, or 5% PEG with respect to time. A) Wheat (PC998); B) Barley (PC1163). Data are the means of three independent experiments, and bars represent ± SE; n = 3. Values marked with different letters are significantly different from the respective control at P <0.05 as detected by a repeated measures ANOVA.
