Figure 2 in Integrative analysis in toxicological assessment of the insecticide Malathion in Allium cepa L. system

Figure 2. Mitotic index at the radicular meristematic region of Allium cepa cells, after exposure for 48 hours to distilled water (H Od – negative control), 0.5 mg mL-1, 1.0 mg mL-1 of Malathion 2 and methyl methanesulfonate (MMS – positive control). KW-H = results of Kruskal-Wallis test and p = value of the statistical probability. Letters on the error bars indicate the result of the statistical Mann-Whitney U test.