Action at low concentrations, seedling height, root length, leaf area, biomass and stomatal density bean seedlings were control 81.29%, 88.31%, 77.43%, 65.18% and 111.30%
Under low concentration, the seedling height, root length, leaf area, biomass and stomatal density of Vicia faba seedlings were 81.29%, 88.31%, 77.43%, 65.18% and 111.30% of those of the control respectively