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International Journal of Sciences and Applied Research (IJSAR) is a peer reviewed, open access International Scientific Journal dedicated for rapid publication of high quality original research articles as well as review articles in major areas of basic and applied sciences. International Journal of Sciences and Applied Research is published monthly. IJSAR with an internationally recognized editorial board emphasizes on producing high quality research content in a timely manner.

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Tittle : Efficacy of Aedes aegypti and Culex quinquefasciatus against Sargassum wightii and Ulva fasciata

Author(s) : Selvi V., Shameemrani K

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Abstract:

This study investigated the mosquitocidal activities of marine algae collected from Gulf of Mannar. The larvae Aedes aegypti and Culex quinquefaciatus tested  against sargassum wightii and Ulva fasciata  were extracted using different solvents like Chloroform, Methanol, Petroleum ether and Acetone. The two different seaweed extracts using four different solvents were proved statistically significant (p<0.05). The seaweed extract used for the   LC50 assay against II and III instar larval mortality was recorded. The overall results was observed all the solvent extract against sargassum wightii especially more toxic in acdtone and chloroform  of Culex quinquefaciatus (II & III -100%) followed by chloroform in Aedes aegypti (II & III -83%). Likewise the similar species of mosquito larvae (Aedes aegypti) against Ulva fasciata extract in Chloroform, acetone and methanol showed the high mortality was noted. These findings may help in developing a prospective alternative source to control the mosquitoes.

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