Fig. 8

Characteristics of soluble protein (a), free amino acid (b), MDA (c), CAT (d), POD (e) and SOD (f) in citrus seedlings grown under conditions of Mg deficiency (-Mg) and sufficiency (+ Mg). Data are presented as mean ± standard deviation (n = 5). Different letters represent significant differences among organs between the Mg treatment groups at P < 0.05