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. 2021 Mar 11;12:640379. doi: 10.3389/fpls.2021.640379

FIGURE 2.

FIGURE 2

Gas exchange parameters (A) net photosynthetic rate, Pn; (B) stomatal conductance, Gs; (C) intercellular CO2 concentration, Ci; (D) transpiration rate, E; and (E) water use efficiency, WUE, of Triticum aestivum in response to Rhizophagus intraradices inoculation (M, mycorrhizal; NM, non-mycorrhizal) and As addition to the soil. Values represent means of three biological replicates ± SD. Different letters represent significant difference at p0.05, derived from Tukey’s honestly significant difference (HSD). 0As, 0 mg As kg–1 soil treatment; 25As, 25 mg As kg–1 soil treatment; 50As, 50 mg As kg–1 soil treatment.