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Drought-Tolerance of Wheat Improved by Rhizosphere Bacteria from Harsh Environments: Enhanced Biomass Production and Reduced Emissions of Stress Volatiles

Figure 4

Net assimilation rate (A) and stomatal conductance (B) of Bacillus thuringiensis AZP2-primed wheat seedlings under drought stress.

The data are shown for plants grown for 0, 2, 5, 8 and 10 days without water. The error bars indicate +SE for three biological replicates. Statistical analysis is based on three-way ANOVA with stress, strains (Bacillus thuringiensis AZP2 vs. P. polymyxa B) and stress exposure time as factors. ***, ** and ns, indicate highly significant, significant or non-significant effects for the tested factor at P<0.05.

Figure 4

doi: https://doi.org/10.1371/journal.pone.0096086.g004