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. 2021 May 27;21:239. doi: 10.1186/s12870-021-03028-z

Fig. 4.

Fig. 4

Mg concentration (a-c), accumulation (d-f) and distribution (g-i) in leaf (a, d, g), stem (b, e, h), and root (c, f, i) organs of citrus seedlings grown under conditions of Mg deficiency (-Mg) and sufficiency (+ Mg). Leaf and stem biomasses were divided into the branch, upper and lower parts. Root biomass was divided into main and lateral parts. Data are presented as mean ± standard deviation (n = 5). Different letters represent significant differences between the Mg treatment groups at P < 0.05