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Dr. Mohamed Mahmoud Soliman Baz :: Publications:

Title:
Larvicidal and adulticidal effects of some Egyptian oils against Culex pipiens
Authors: 15. Baz, M.M., Selim, A., Radwan, I.T., Alkhaibari, A.M. and Khater, H.F
Year: 2022
Keywords: Not Available
Journal: Scientific Reports
Volume: 12
Issue: 1
Pages: 1-18
Publisher: springer
Local/International: International
Paper Link:
Full paper Mohamed Mahmoud Soliman Baz_e1c52abb-35df-4ac6-8b0e-fb25c1acce25.pdf
Supplementary materials Not Available
Abstract:

Mosquitoes and mosquito-borne diseases represent an increasing global challenge. Plant extract and/ or oils could serve as alternatives to synthetic insecticides. The larvicidal effects of 32 oils (1000 ppm) were screened against the early 4th larvae of Culex pipiens and the best oils were evaluated against adults and analyzed by gas chromatography-mass spectrometry (GC mass) and HPLC. All oils had larvicidal activity (60.0–100%, 48 h Post-treatment, and their Lethal time 50 ( LT50) values ranged from 9.67 (Thymus vulgaris) to 37.64 h (Sesamum indicum). Oils were classified as a highly effective group (95–100% mortalities), including Allium sativum, Anethum graveolens, Camellia sinensis, Foeniculum vulgare, Nigella sativa, Salvia officinalis, T. vulgaris, and Viola odorata. The moderately effective group (81–92% mortalities) included Boswellia serrata, Cuminum cyminum, Curcuma aromatic, Allium sativum, Melaleuca alternifolia, Piper nigrum, and Simmondsia chinensis. The least effective ones were C. sativus and S. indicum. Viola odorata, Anethum graveolens, T. vulgaris, and N. sativa provide 100% adult mortalities PT with 10, 25, 20, and 25%. The mortality percentages of the adults subjected to 10% of oils (H group) were 48.89%, 88.39%, 63.94%, 51.54%, 92.96%, 44.44%, 72.22%, and 100% for A. sativum, An. graveolens, C. sinensis, F. vulgare, N. sativa, S. officinalis, T. vulgaris, and V. odorata, respectively. Camellia sinensis and F. vulgare were the most potent larvicides whereas V. odorata, T. vulgaris, An. graveolens and N. sativa were the best adulticides and they could be used for integrated mosquito control.

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