ISSN (0970-2083)

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Research Article Open Access

Study On Accumulation Of Lead In Sunflower (Helianthus Annus)

Abstract

The aim of this study was to determine the effects of heavy metal (Pb) on plant growth and examine their uptake by sunflower in soil. A greenhouse experiment was conducted to determine the phytotoxic effect of heavy metal on plant growth were in a complete randomized design, with seven treatments and three replications, totaling 21 experimental units. Lead was applied at the rate of 0; 10; 20; 30, 40, 50 and 60 ppm in soil. Plant tops were harvested from 120 days after sowing. Lead reduced the plant height of sunflower plant at higher concentration but had no significant effect on 40 Days of plant height. The higher concentrations of Pb showed a significant decrease in leaf number. The heavy metal has shown significant effect on plant dry matter, seed germination and shows a significant effect on the accumulation of these elements in the plant parts, shoot, leaves and seeds. This study concludes that the higher concentration of heavy metal is harmful for the plant growth.

Harsh Bodh Paliwal, Nidhi Gupta and Abhishek James

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