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Fig. 4 | BMC Plant Biology

Fig. 4

From: Responses of reactive oxygen species and methylglyoxal metabolisms to magnesium-deficiency differ greatly among the roots, upper and lower leaves of Citrus sinensis

Fig. 4

Mg-deficient effects on APX (a, g, m and s), MDHAR (b, h, n and t), DHAR (c, i, o and u), SOD (d, j, p and v), GuPX (e, k, q and w) and CAT (f, l, r and x) activities expressed on a DW (a-l) or protein (m-x) basis in C. sinensis leaves (a-f and m-r) and roots (g-l and s-x). Bars represent means ± SE (n = 8). Significant differences between Mg-deficient roots and controls were made by unpaired t-test. Four means [two (Mg levels) × two (leaf positions)] were analyzed by two ANOVA followed by Duncan’s new multiple range test. Different letters above the bars indicate a significant difference at P < 0.05

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