Fig. 3

Effect of Spirulina Extract (SPE) application on NaCl-induced oxidative damage in wheat seedlings, represented by hydrogen peroxide (H₂O₂), and malondialdehyde (MDA) content. Treatment groups include CK (Control) and SPE (Spirulina Extract) under salt stress (NaCl). Results are presented as mean ± SD (n = 4 replicates), with different letters indicating significant differences according to Tukey’s test at P < 0.05.