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Bioresour Technol. 2006 Nov;97(16):2077-83. Epub 2005 Nov 28.

Effects of Dysoxylum malabaricum Bedd. (Meliaceae) extract on the malarial vector Anopheles stephensi Liston (Diptera: Culicidae).

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  • 1Department of Environmental Engineering, Chonbuk National University, 664-14 1ga Duckjin-Dong Duckjin, Jeonju City, Chonbuk 561756, South Korea.


In recent years, use of environmentally friendly and biodegradable natural insecticides of plant origin have received renewed attention as agents for disease vector control. Methanol extracts of leaves from the Indian white cedar Dysoxylum malabaricum Bedd. (Meliaceae) were tested against mature and immature Anopheles stephensi Liston (Diptera) mosquitoes under laboratory conditions. The extract showed strong larvicidal, pupicidal, adulticidal, and antiovipositional activity. The maximum leaf extract concentration tested in this study was 4%, which produced pronounced effects. In general, first and second instars were more susceptible to leaf extract than older insects. Clear dose-response relationships were established, with the highest dose of 4% plant extract causing 97% mortality of first instars.

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