Figure 3

Effect of different concentrations of zinc oxide NPs (0, 25, 50, 100 and 200Â mg/l) and Zn acetate on morphological characterization of Triticum aestivum. (a) Stem area, (b) number of vascular bundles, (c) thickness of vascular bundles, (d) phloem thickness, (e) epidermis thickness, (f) epidermis cell area, (g) cortical cell area, (h) xylem cell area.