Research Article | Volume: 2 Issue: 7, July 2012

Larvicidal Activity of Tephrosia purpurea, (L) Against the Larvae of Culex quinquefasiciatus

Deepak Kumar,  P. Dhamodaran,  Nilani P,  N. Balakrishnan   
Deepak Kumar1, P. Dhamodaran1, Nilani P1, N. Balakrishnan2

1Department of Pharmacognosy, JSS College of pharmacy Rockland, Ooty-643001. T.N., India.

2National institute of communication diseases southern India branch conoor643101. T.N., India.

Open Access    DOI: 10.7324/JAPS.2012.2735

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Abstract

The aim of this work was to study the larvicidal activity of Tephrosia purpurea (L) Pers. against the larvae of Culex quinquefasiciatus. The preliminary laboratory trail was undertaken to determine the efficacy of petroleum ether and ethyl acetate extract of dried whole plant of Tephrosia purpurea belonging to the family Papilionaceae at various concentrations against the late third or early fourth instar larvae of culex quinquefasiciatus by following the WHO guidelines. The results suggest that 100% mortality. Petroleum ether and ethyl acetate extract of Tephrosia purpurea (L) Pers. was observed at 250ppm and 300ppm respectively. The results suggested that use of plants in insect control as an alternative method for minimizing the noxious effect of some pesticide compound on the environment. Thus the extract of Tephrosia purpurea delivers promising more selective and biodegradable agent.


Keyword:     Larvicidal activity Whole plants of Tephrosia purpurea culex quinquefasiciatus.

Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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