Fig. 5

Synergistic effect of nitric oxide and arginine on non-enzymatic antioxidants in Brassica napus grown in salt stress. (A) Total phenolics and (B) Proline content. Graph bars presented mean of three replicates ± standard errors in error bars. Different alphabets above graph bars obtained after Duncan’s multiple range test presented mean values are significantly different at p ≤ 0.05.