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- Title
Metal Accumulation Profile of Catharanthus roseus (L.) G.Don and Celosia argentea L. with EDTA Co-Application.
- Authors
Qurban, Muneeba; Mirza, Cyrus Raza; Khan, Aqib Hassan Ali; Khalifa, Walid; Boukendakdji, Mustapha; Achour, Belkacem; Yousaf, Sohail; Nawaz, Ismat; Butt, Tayyab Ashfaq; Iqbal, Mazhar; Wawrzkiewicz, Monika; Sierra Fernández, Carlos
- Abstract
The problem of metal-induced toxicity is proliferating with an increase in industrialization and urbanization. The buildup of metals results in severe environmental deterioration and harmful impacts on plant growth. In this study, we investigated the potential of two ornamental plants, Catharanthus roseus (L.) G.Don and Celosia argentea L., to tolerate and accumulate Ni, Cr, Cd, Pb, and Cu. These ornamental plants were grown in Hoagland's nutrient solution containing metal loads (50 µM and 100 µM) alone and in combination with a synthetic chelator, ethylenediaminetetraacetic acid (EDTA) (2.5 mM). Plant growth and metal tolerance varied in both plant species for Ni, Cr, Cd, Pb, and Cu. C. roseus growth was better in treatments without EDTA, particularly in Ni, Cr, and Pb treatments, and Pb content increased in all parts of the plant. In contrast, Cd content decreased with EDTA addition. In C. argentea, the addition of EDTA resulted in improved plant biomass at both doses of Cu. In contrast, plant biomass reduced significantly in the case of Ni. In C. argentea, without EDTA, root length in Cd and Cu treatments was significantly lower than the control and other treatments. However, the addition of EDTA resulted in improved growth at both doses for Pb and Cu. Metal accumulation in C. argentea enhanced significantly with EDTA addition at both doses of Cu and Cd. Hence, it can be concluded that EDTA addition resulted in improved growth and better metal uptake than treatments without EDTA. Metal accumulation increased with EDTA addition compared to treatments without EDTA, particularly for Pb in C. roseus and Cu and Cd in C. argentea. Based on the present results, C. roseus showed a better ability to phytostabilize Cu, Cd, and Ni, while C. argentea worked better for Ni, Cd, Cu, and Pb.
- Subjects
CATHARANTHUS roseus; PLANT biomass; ENVIRONMENTAL degradation; ETHYLENEDIAMINETETRAACETIC acid; NOXIOUS weeds; ORNAMENTAL plants
- Publication
Processes, 2021, Vol 9, Issue 4, p598
- ISSN
2227-9717
- Publication type
Article
- DOI
10.3390/pr9040598