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. 2023 Jul 6;14:1204512. doi: 10.3389/fmicb.2023.1204512

Figure 10.

Figure 10

Effect of different treatments on guard cells of stomata of maize 2 days after spray which were seed-treated before sowing, observed under light microscope at 40X and 100X. FS, foliar spray; ST, seed treatment; EGC, essential oil-grafted CuNPs; CuNPs, copper nanoparticles; EO, essential oil (clove oil).