Efficacy of nanocapsules and traditional alkaloid extracts from Datura innoxia against Culex quinquefasciatus (Diptera: Culicidae)

Ayat Munaf Adnan, Sahar Abd Kathier

Abstract


Natural insecticides offer significant advantages, as they can effectively target insect pests without causing harm to the environment. The results of this study demonstrated that the alcoholic extract of Datura innoxia leaves achieved high mortality rates of Culex quinquefasciatus, recording 89% and 82% mortality after 72 h of treatment at concentrations of 2000 ppm and 3000 ppm, respectively. In comparison, the nanocapsule formulations of D. innoxia leaf extracts exhibited even higher efficacy, with mortality rates of 97%, 83%, and 70% at concentrations of 300 ppm, 400 ppm, and 500 ppm, respectively. These nanocapsules proved to be significantly more potent than conventional extracts, achieving comparable results at concentrations ten times lower. Furthermore, they are eco-friendly, biodegradable, and pose no risks to humans or non-target organisms, making them a promising alternative to harmful chemical pesticides.


Keywords


Culex quinuefasciatus, ethyl alcohol extract, Datura innoxia, nanocapsules, toxicity

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References


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DOI: https://doi.org/10.33804/pp.009.01.5442

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