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Since early 20^th century, heavy metal contamination has increased quickly and it has posed a great danger to the environment is treacherous due to its high toxicity. Phytoremediation has gained popularity recently because of its environment-friendly approach. This study was carried out to assess the phytoremediation potential of Cynodon dactylon for heavy metals from polluted water. The objective of this research was to grow test plant in nutrient solution with different concentrations (50, 100, 150 and 200 µM) of Lead acetate for 20 days. Fresh and dry biomass of vegetative parts (above and below ground) were determined and the Bio-concentration and Translocation factor was calculated. Results revealed that most of the lead from the solution was absorbed by Cynodon dactylon, till the 20^th day. Most of the lead was accumulated in the aerial part. The highest lead content was recorded in the above ground part of the plant. This shows that lead has been translocated from the ischolar_main to the above ground part.

Keywords

Cynodon dactylon, Heavy Metals, Phytoremediation

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References

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Green Remediation using the Monocot Grass Vetiveria zizanoides (L.) Nash

Abstract Views :223 | PDF Views:113

Authors

D. H. Geetha ¹, R. Jayashree ¹, R. S. Nandhini ¹, T. Sangavi ¹

Affiliations
1 PG and Research Department of Botany, Vellalar College for Women (Autonomous), Erode - 638012, Tamil Nadu, IN

Source

ScieXplore: International Journal of Research in Science, Vol 7, No 1-2 (2020), Pagination: 20-25

Abstract

Now-a-days our environment is laden with contaminants. Heavy metals are important among them. These are toxic and may cause threat to living organisms and the environment. The conventional methods used for heavy metal removal have their limitations because they are ineffective, economically expensive and produce large quantities of sludge. So, there is a need to develop a cost efficient and eco-friendly method to alleviate this type of pollution. The current study was carried out to evaluate the phytoremediation capacity of Vetiveria zizanoides for heavy metals from polluted water. The objectives of the present research were to grow the test plant in nutrient solution with different concentrations (50, 100, 150 and 200 μM) of Lead acetate for 20 days. Fresh and dry biomass of vegetative parts (above and below ground) was determined and the Bio-concentration and Translocation factor was calculated. Results revealed that most of the lead from the solution was absorbed by Vetiveria zizanoides till the 20^th day. The highest lead content was recorded in the root of the plant. Control plants did not record lead content in its tissues.

Keywords

Lead and Environment, Phytoremediation, Vetiveria zizanoides.

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