Figure 2

Improvement of wheat seedlings growth inoculated with Azospirillum brasilense strain FP2. (a) Total plant mass and root mass eight days after colonization; (b) improvement of wheat root size in colonized plants after twenty days of colonization; (c) measurement of the number of nuclei synthesizing DNA (S-phase) in root cells stained with propidium iodide three days after colonization. *statistically significant t-test (p-value < 0.05%) and **statistically significant t-test (p-value < 0.01%).