Figure 2

Concentration of (a) total phenols (meq gallic acid/100 g fresh weight) and (b) flavonol (meq catechin/100 g fresh weight) in olive tree leaves treated with G7 and non-inoculated controls. For each treatment, the average value ± SE value is presented (n = 6). Asterisks (*) represent significant differences from the control according to Student’s t-test (p < 0.05).