Abstract
The metal bioabsorption potential and survival efficiency of aquatic macrophyte M. glabratus was examined for the removal of Fe and Cu in presence of nitrate and Phosphates. M.glabratus removes Fe 10% more than Cu in case of bio-chemical and physical responses the increment in fresh weight found 0.74% more in Fe treated plants than Cu treated plants and in photosynthetic pigments there was 10% more increment was noted in the plants treated with Fe. Bioabsorption of Fe was noted 18.9% more than Cu by M. glabratus . The results demonstrate that M.glabratus can be utilized in the remediation operations of aquatic systems Keywords : Bioabsorption, M. glabratus, Photosynthetic pigments, Biomass
Highlights
MATERIAL AND METHODExperiment design: M. glabratus plants were collected from the Gomti river (Lucknow city) and cultivated in the 10 liter plastic tubs (n=5) containing definite amount of Fe (0.90 mgL-1), Cu (0.15 mgL-1) which is three times higher than recommended limit of (ISI, 1993) in presence of nitrate and phosphate and their concentration was mentioned five times more than permissible limit (MOEF, 1993 and WHO, 1984) respectively
Overload of heavy metals in environment is outcome of industrializations, urbanization and advance technique of agriculture (Chemical, fertilizers, herbicides, insecticides etc), as they are nonbiodegradable and have the accumulation efficiency, so they cause severe threads to nature
It is reported that transition metals like Fe, Cu, Co and Mn are important for human and plants, but they are toxic at high concentration
Summary
Experiment design: M. glabratus plants were collected from the Gomti river (Lucknow city) and cultivated in the 10 liter plastic tubs (n=5) containing definite amount of Fe (0.90 mgL-1), Cu (0.15 mgL-1) which is three times higher than recommended limit of (ISI, 1993) in presence of nitrate and phosphate and their concentration was mentioned five times more than permissible limit (MOEF, 1993 and WHO, 1984) respectively. The culture was monitored for 21 days; samples are taken at every 7th day for analysis, ahead of sampling deionized water was added to the tubs to replenish the water lost by evaporation and to recover the maintained level. Sample Analysis: water and plant samples were collected from the treatment tubs on every 7th day and Removal Accumulation. The difference between treatments was considered significant at p ≤ 0.05
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