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. 2020 Jul 9;11:1602. doi: 10.3389/fmicb.2020.01602

FIGURE 4.

FIGURE 4

Parameters of photosynthetic efficiency in field trials. (A) Net photosynthetic rate (PN); (B) Stomatal conductance (gs); (C) Transpiration rate (E); (D) Intrinsic water use efficiency (WUEi). I + F, Iturin A (25 μg/mL) + Fengycin A (25 μg/mL), 1:1 in volume. Data are presented as the average ± the standard deviation, and the different letters a–c indicate a significant difference between treatment groups within a parameter (P < 0.05).