Abstract
The effects of various concentrations of barium (Ba) on seed germination and early seedling growth of wheat and mung bean were studied. Ba influenced the seedling growth of wheat and mung bean in similar fashion. Ba enhanced the germination relative index at lower concentration (upto 10 μg ml-1). The relative yield of biomass increased at lower doses of Ba and decreased at higher concentration (>100 μg ml-1). Lower applied doses of Ba showed a maximum index of tolerance while higher applied doses of metal showed a toxic effect on plant growth. The toxic effect of barium on mung bean was more marked than on wheat.
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