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Phytoremediation of lead and cadmium toxicity in soil by using Helianthus annus as hyper accumulator
Author(s):
1. Ushna Saleem: School of Botany, Minhaj University Lahore (MUL), Lahore, Pakistan
2. Wasiq Ikram: School of Botany, Minhaj University Lahore (MUL), Lahore, Pakistan
3. Muhammad Sabir Jamil: School of Botany, Minhaj University Lahore (MUL), Lahore, Pakistan
Abstract:
The accessibility of natural resources is necessary for human sustainability in the environment. Nevertheless, due to increased urbanization and industrialization, these resources are highly contaminated by Heavy Metals (HM). Lead (Pb) and Cadmium (Cd) as heavy metals are considered to be the most prominent contaminants in the soil which can be remediates by using phytoremediation techniques. The objective of the present study was to identify the ability of sunflower plant for the removal of Lead and Cadmium from contaminated soil and to analyze their uptake at different concentrations level. The Completely Randomized Design (CRD) was used with three replications of each of the seven treatments i.e. Pb at the rate of 100 and 150 mg kg-1 soil, Cd at rates of 20 and 30 mg kg-1 soil, and combinations of Pb and Cd at various rates (10+50 and 15+75 mg kg-1 soil). The results showed that the largest amount of Cd was uptake by the plant (1.72 mg/pot) in the treatment of sole Cd at a rate of 30 mgkg-1 soil while the combined treatments of Cd + Pb at the rate of 10+50 and 15+75 mg kg-1 soil accumulates Cd of 0.46 and 0.51 mg/pot respectively. However, the highest amount of Pb was uptake by the plant (1.56 mg/pot) in the sole Pb treatment at highest application rate of 150 mg Pb kg-1soil. It is concluded that the sole treatments of Cd and Pb accumulate higher concentration as compared to the combined treatments of Cd and Pb at different concentration by the sunflower plant.
Page(s): 99-99
DOI: DOI not available
Published: Journal: Abstract Book on Second International Conference on Recent Approaches in Plant Sciences (RAPS-23) 4-5 May 2023 , Volume: 0, Issue: 0, Year: 2023
Keywords:
phytoremediation , Sunflower , Cadmium uptake , Heavy metals , Heavy metals , Lead Uptake
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