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Impact of cadmium (Cd) and/or G. irregulare inoculation (Gi) on leaf aspect (A) and chlorophyll (Chl) a and b concentrations (μg.g-1 of shoots) (B) of 3-wk old M. truncatula plants relative to those non-treated (C). For two independent biological experiments (Exp), histograms represent means of three replicates (means ± SD, n = 3). Means marked with different letters indicate significant difference at p < 0.05.
