Research Article

Larvicidal Efficacy of Root and Stem Bark Extracts of the Plant, Annona reticulata against Filarial Vector, Culex quinquefasciatus  

Subrata Mallick1 , Goutam Chandra1,2
1. Department of Zoology, Mosquito, Microbiology and Nanotechnology Research Units, Parasitology Laboratory, The University of Burdwan, 713104, West Bengal, India
2. Department of Zoology, Maharajadhiraj Uday Chand Women’s College, Burdwan, West Bengal, 713104, India
Author    Correspondence author
Journal of Mosquito Research, 2016, Vol. 6, No. 3   doi: 10.5376/jmr.2016.06.0003
Received: 11 Jan., 2016    Accepted: 15 Feb., 2016    Published: 27 Apr., 2016
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Subrata Mallick and Goutam Chandra, 2016, Larvicidal efficacy of root and stem bark extracts of the plant, Annona reticulata against filarial vector, Culex quinquefasciatus, Journal of Mosquito Research, 6(3): 1-8 (doi: 10.5376/jmr.2016.06.0003)

 
Abstract

The present study assessed larvicidal efficacy of different concentrations of chloroform: methanol (v/v 1:1), acetone, and ethanol extracts of root and stem bark of Annona reticulata L. (Annonaceae) against early 3rd instar larvae of Culex quinquefasciatus Say, 1823 (Cx. quinquefasciatus) up to 72 hours. Among all the solvent extracts used, chloroform: methanol (v/v 1:1) root and stem bark extracts of the plant showed highest larvicidal activity. Further, the effect of chloroform: methanol (v/v 1:1) root and stem bark extracts of the plant was investigated on early 1st – 4th instars larvae of Cx. quinquefasciatus. Early 1st - 3rd instars larvae of Cx. quinquefasciatus showed 100% mortality with remarkably very low concentrations of chloroform: methanol (v/v 1:1) root and stem bark extracts. Non- target organisms were non responsive to chloroform: methanol (v/v 1:1) solvent root and stem bark extracts. So, chloroform: methanol (v/v 1:1) root as well as stem bark extracts of A. reticulata can effectively be used as potential sources to control Cx. quinquefasciatus population.

Keywords
Annona reticulata; Culex quinquefasciatus; Root extract; Stem bark extract; Larvicide; Non-target organisms
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