Fig. 1

Effect of bacterial inoculation with Azospirillum brasilense NO40 (B1) and Stenotrophomonas maltophilia B11 (B2) on the 15-day-old Triticum aestivum L. (cv. G9) seedlings grown in sandy soil, under unstressed (a) and drought-stressed (7 days of water withholding) (b) conditions. Cont. = the unstressed-uninoculated control; D = the drought-stressed-uninoculated treatment, B(1–2) = the unstressed- inoculated treatments and DB(1–2) = the drought-stressed-inoculated treatments