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Exploring aqueous floral extracts as mosquito larvicides: Histopathological, Morphological and FT-IR Analysis

Gitanjali B. Nikama, Rekha B. Moreb* & Sulabha S. Lalsarec
aDepartment of Zoology, MVP’S K.R.T. Arts, B. H. Commerce and A.M. Science College, Nashik, Maharastra, India
bDepartment of Chemistry, MVP’S S. S. S. M. Arts, Science and Commerce College, Saikheda, Nashik, Maharastra, India
cDepartment of Botany, MVP’S S. S. S. M. Arts, Science and Commerce College, Saikheda, Nashik, Maharastra, India

Received : 18th June, 2024 ; Revised : 12th July, 2024
DOI:-https://doi.org/10.5281/zenodo.15002964

Abstract– Mosquito-borne diseases pose significant global health threats, underscoring the need for eco-friendly mosquito control strategies. This study investigates the larvicidal efficacy of aqueous floral extracts from Tagetes erecta and Plumeria rubra against Culex mosquito larvae. The phytochemical-rich extracts exhibited concentrationdependent larvicidal activity, with LC50 values indicating higher efficacy of hot extracts. Histopathological analysis revealed substantial tissue damage, while morphological observations showed developmental abnormalities in treated larvae. FT-IR analysis identified bio-active compounds responsible for larvicidal activity. Our findings demonstrate the potential of aqueous floral extracts as sustainable, non-toxic mosquito larvicides, aligning with integrated pest management principles.

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