Treatments Mean Percentage of Cells at Metaphase       DMRT ANOVA  Distilled Water 1.4 A P value= .346 100 g/L 2.16 A F comp.= 1.190* 1000 g/L 2.28 A *not significant 500 g/L 2.6 A   300nM Hydrogen Peroxide 2.62 A   *not significant at α= 0.01; means designated with letter A are statistically the same from each other

Table 2: Mean percentage of cells at metaphase, ANOVA and DMRT of onion root meristems subjected to the different concentrations of the sediment elutriate (SE) and the controls for 72 hours.