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. 2022 Mar 21;13:806781. doi: 10.3389/fpls.2022.806781

FIGURE 1.

FIGURE 1

Effect of IONPs and SiNPs on intercellular CO2 concentration and stomatal conductance of Phaseolus vulgaris grown in different concentrations of Cd. Here IONPs, SiNPs, Cd0, Cd1, Cd2, and Cd3 indicate iron oxide nanoparticles, silicon nanoparticles, 0 mM CdCl2, 1 mM CdCl2, 1.5 mM CdCl2, and 2 mM CdCl2. Different letters indicate significant difference among the treatments (P ≤ 0.05).