• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2009, Volume: 2, Issue: 3, Pages: 1-4

Original Article

Screening of Indian coastal plant extracts for larvicidal activity of Culex quinquefasciatus


Emergence of resistance among mosquitoes is recent problem. Safe and ecofriendly agents from biological origins is need of the hour. Extracts of 100 coastal plants species from South West coast of India were tested for the larvicidal activity of Culex quinquefasciatus. Of these, 17 plant species showed LC50 within 100 mg.l-1. The extracts of Cymbopogon citratus and Abrus precatorius were found most effective with LC50 value of 24 and 30 mg.l-1, respectively.

Keywords: Abrus precatorius, coastal plants, Culex quinquefasiatus, Cymbopogon citratus, mosquito larvicidal activity, South West Coast of India. 


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