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. 2022 Oct 28;13:1002772. doi: 10.3389/fpls.2022.1002772

Figure 1.

Figure 1

Effects of Sphingomonas sp. Hbc-6 inoculation on the stomatal morphology and above- and below-ground biomass of maize under four different treatments, on the 26th day after inoculation with Hbc-6. Representative images of maize stomas (A) on the 26th day after inoculation with Hbc-6 under four different treatments. Scale bars represent 100 μm. The blue arrow represent the subsidiary cell of maize. (B) Stomatal length and stomatal aperture, (C) shoot/root fresh weight, (D) shoot/root dry weight, and (E) shoot/root length of plants inoculated with Hbc-6 and non-inoculated (control) plants under four different treatments. MC, non-inoculated (control) plants under normal conditions; WH, plants inoculated with Hbc-6 under normal conditions; DMC, non-inoculated (control) plants under medium drought; MH, plants inoculated with Hbc-6 under medium drought. D, drought as factor; H, Sphingomonas sp. Hbc-6 as factor; D*H, Interaction between drought and Hbc-6. Data are presented as mean ± standard deviation (SD) of three independent experiments (leaves from three plants). Different letters indicate statistically significant differences (two-way analysis of variance, ANOVA; Tukey test; p < 0.05).