Fig. 4

Effects of NaF priming on glutathione (GSH) (A, G), ascorbic acid (ASA) (B, H), anthocyanins (C, I), α-tocopherol (D, J), flavonoids (E, K), and phenolic compound contents (F, L) in shoots and roots of barley plants grown under Al-stress. Values are means ± standard errors (SEs) (n = 5). According to Tukey's test, bars that are accompanied by the same alphabet are not significant among the treatments at P≤0.05