Figure 2. The EC₅₀ values of [Omim]Cl, [Omim]Br and [Omim]BF₄ with respect to their effects on shoot length, root length and dry weight of V. faba seedlings.

The bars are the means ± standard error of three replicates. Different letters above the columns indicate significant differences (p < 0.05) between treatments as determined by the least significant difference (LSD) test.