Effects of Electroplating Effluents on Growth, Heavy Metals Accumulation and Concentrations in Amaranthus viridis Lin.

Authors

  • Oluwole Surukite O.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
  • Ogun Mautin L.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
  • Ewekeye Tolulope S.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
  • Tope-Akinyetun Racheal O.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
  • Asokere Simeon Y.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
  • Usamot Q.

    Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria

DOI:

https://doi.org/10.30564/jbr.v5i3.5730
Received: 18 May 2023 | Revised: 5 July 2023 | Accepted: 7 July 2023 | Published Online: 18 July 2023

Abstract

Pollution in recent times has become prevalent due to industrial expansion, hence, releasing pollutants into the environment. Thus, this study aimed at investigating the effects of effluents from electroplating companies on growth, heavy metals accumulation and concentrations in Amaranthus viridis. Seeds of A. viridis were obtained from the National Institute of Horticulture, Ibadan. Loam soils were collected from Lagos State University and two samples of electroplating effluents were obtained from Oregun, Lagos. Seeds were sown, nursed, and transplanted in a uniform bucket filled with 5 kg loam soil and transplanted seedlings were treated with Effluent A (5 and 10% conc.) and Effluent B (5 and 10% conc.) and control respectively. Growth parameters such as plant height and so on were measured and plant samples harvested were analyzed for heavy metal concentrations using Atomic Absorption Spectrophotometer. Data collected were subjected to a one-way analysis of variance. Results revealed that Effluents A and B are highly acidic and above discharge limits. Also, the result revealed that 5% conc. of Effluents A and B had more effects on growth (p < 0.05) of A. viridis across the harvests than 10% conc. in relation to control. This result showed that the effluent samples affect the growth rhythms of plants. Results further revealed vigorous accumulation of the heavy metals: Zn (241.66 µg kg–1 ± 0.10 at third harvest in Effluent A: 10%), Cu (68.25 µg kg–1 ± 0.23 at first harvest in Effluent B: 5%), Cr (500 µg kg–1 ± 0.90 in harvests at all concentrations.) and Ni (500 µg kg–1 ± 0.90 at third harvest in Effluent B: 5%) and all these metals are far above the control and permissible limits of WHO/FAO recommendations. From this study, it could be concluded that electroplating effluents had adverse effects on growth and increased metals’ bioaccumulation in A. viridis. Therefore, the treatment of effluents to enhance an eco-friendly environment should be done.

Keywords:

Electroplating; Effluent; Pollution; Heavy metals; Discharge; Vegetable; Amaranthus viridis

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How to Cite

O. , O. S., L., O. M., S., E. T., O., T.-A. R., Y., A. S., & Q., U. (2023). Effects of Electroplating Effluents on Growth, Heavy Metals Accumulation and Concentrations in Amaranthus viridis Lin. Journal of Botanical Research, 5(3), 49–59. https://doi.org/10.30564/jbr.v5i3.5730

Issue

Vol. 5 , Iss. 3 (July 2023)

Article Type

Article

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Copyright © 2023 Author(s)

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This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.

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