Figure 7
Effect of ZnO-NPs and TiO2-NPs on the accumulation of malondialdehyde (a), hydrogen peroxide (b), and electrolyte leakage (c) in leaves of Brassica napus L. grown under lead contaminated soil. The vertical bar on the graph demonstrates the standard deviation. Data are presented as mean ± SD (n = 3). Different letters on the bars indicate significant differences among treatments at p ≤ 0.05.
