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. 2019 Feb 22;20(4):969. doi: 10.3390/ijms20040969

Figure 7.

Figure 7

The influence of Si supply on phytohormone concentrations of maize plants subjected to Mg deficiency. (A) iP concentration in roots, (B) iPR concentration in roots, (C) JA concentration in roots, (D) JA-Ile concentration in roots, (E) iP concentration in shoots, (F) iPR concentration in shoots, (G) JA concentration in shoots and (H) JA-Ile concentration in shoots of maize. Plants were grown in hydroponic culture under low Mg (0.02 mM) or normal Mg (0.5 mM) supply and two concentrations of Si (1.5 and 3 mM). Si provided in the second week of plant growth in the hydroponic culture when Mg deficiency was applied. 21-days old plants were harvested 14 days after imposition of Mg deficiency. The white and black bars represent Mg-sufficient and Mg-deficient plants, respectively. Bars indicate means ± SE. Different letters denote significant differences according to LSD test (p < 0.05; n = 4).