Figure 3

(A) Representative images of stomatal apertures overtime in lettuce plants with B. subtilis UD1022 root inoculation 4 RPM, or a 0 RPM vertical control. (B) Representative images of stomatal apertures overtime in lettuce plants with foliar application of Salmonella and UD1022 root inoculation. Average stomatal apertures were micro-graphed and aperture size was estimated from n = 75 stomates per timepoint.