Fig. 6

Synergistic effect of nitric oxide and arginine on nutritional and inorganic ions in root of B. napus grown in salt stress. (A) Sodium, (B) Potassium, (C) Calcium and (D) Chlorine. 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.