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Egyptian Journal of Aquatic Biology and Fisheries
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et al., S. (2024). Influence of Pollution by Penconazole Pesticide on Some Microalgae Isolated from Qarun Lake, El-Fayoum, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 28(4), 2073-2092. doi: 10.21608/ejabf.2024.375972
Saed et al.. "Influence of Pollution by Penconazole Pesticide on Some Microalgae Isolated from Qarun Lake, El-Fayoum, Egypt". Egyptian Journal of Aquatic Biology and Fisheries, 28, 4, 2024, 2073-2092. doi: 10.21608/ejabf.2024.375972
et al., S. (2024). 'Influence of Pollution by Penconazole Pesticide on Some Microalgae Isolated from Qarun Lake, El-Fayoum, Egypt', Egyptian Journal of Aquatic Biology and Fisheries, 28(4), pp. 2073-2092. doi: 10.21608/ejabf.2024.375972
et al., S. Influence of Pollution by Penconazole Pesticide on Some Microalgae Isolated from Qarun Lake, El-Fayoum, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(4): 2073-2092. doi: 10.21608/ejabf.2024.375972

Influence of Pollution by Penconazole Pesticide on Some Microalgae Isolated from Qarun Lake, El-Fayoum, Egypt

Article 121, Volume 28, Issue 4, July and August 2024, Page 2073-2092  XML PDF (2.08 MB)
Document Type: Original Article
DOI: 10.21608/ejabf.2024.375972
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Author
Saed et al.
Abstract
The microalgae sensitivity to exogenous contaminants such as pesticides increases their use as model organisms to appreciate the ecotoxicity of pollutants in aquatic environments and its effect on human health. This study focused on the influence of penconazole pesticide on the chlorophyll a content, cell count, and the biochemical content of Synechocystis aquatilis, Chlorella vulgaris, and Scenedesmus dimorphs. The data indicated that at low pesticide level (0.1, 0.2, 0.4, 0.8mg/  l), the effects declined compared to control, while at higher concentrations (1.6, 2 and 4 mg/ l), the effects were visible. The pesticide had a significant impact on the biochemical contents of the tested algae, particularly at higher concentrations, compared to the control. The three tested species exhibited distinct behaviors in comparison with their controls. Synechocystis aquatilis showed a significant increase in growth between 24 to 28 days, followed by Chlorella vulgaris, and Scenedesmus dimorphus, which exhibited this effect between 32 to 36 days, with samples being taken at four-day intervals. This pattern indicates that Synechocystis aquatilis was the most sensitive microalgae species in response to pesticide pollution in the Qarun Lake habitats.
Keywords
Aquatic pollution; Pesticides; Penconazole; Qarun Lake; Phytoplankton
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