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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Nov 2008, 29 (6)                                     Back


Interactions between marine facultative epiphyte Chlamydomonas sp

Larval susceptibility of Aloe barbadensis and Cannabis sativa against Culex quinquefasciatus, the filariasis vector

 

Prejwltta Maurya, Lalit Mohan, Preeti Sharma and C.N.Srivastava*

Applied Entomology and Vector Control Laboratory, Department of Zoology, Faculty of Science, Dayalbagh Educational Institute

(Deemed University), Dayalbagh, Agra - 282 005, India

(Received: October 22, 2006; Revised received: April 20, 2007; Accepted: May 05, 2007)

Abstract: Larvicidal potential of petroleum ether, carbon tetrachloride and methanol extracts of Aloe barbadensis and Cannabis sativa has been investigated against Culex quinquefasciatus. Among the extracts examined, Carbon tetrachloride extract (Cte) of Aloe barbadensis was the most effective with LC50? values of 15.31 and 11.01 ppm after 24 and 48 hr of exposure, respectively, followed by pertoleum ether extract (Pee) of A. barbadensis, Cte of C. sativa, methanol extract (Mee) of A. barbadensis, methanol and petroleum ether of C. sativa, LC50 being 25.97, 88.51, 144.44, 160.78 and 294.42 ppm after 24 hr and 16.60, 68.69, 108.38, 71.71 and 73.32 ppm after 48 hr of post treatment, respectively. Cte of both the plants exhibits potential larvicidal activity and can be used as ecofriendly alternative in the management of the filariasis vector, Culex quinquefasciatus.

Key words: Culex, Aloe barbadensis, Cannabis sativa, Larvicide, Filariasis vector

PDF of full length paper is available with author (*chandnarayan_dei@rediffmail.com)

 

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