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Parasitology Research

, Volume 102, Issue 2, pp 289–292 | Cite as

Larvicidal and ovicidal activity of Cassia fistula Linn. leaf extract against filarial and malarial vector mosquitoes

  • M. GovindarajanEmail author
  • A. Jebanesan
  • T. Pushpanathan
Original Paper

Abstract

Methanolic leaf extract of Cassia fistula was tested for larvicidal and ovicidal activity against Culex quinquefasciatus and Anopheles stephensi. The extract was found to be more lethal to the larvae of A. stephensi than C. quinquefasciatus with LC50 values of 17.97 and 20.57 mg/l, respectively. Mean percent hatchability of the ovicidal activity was observed 120 h after treatment. The percent hatchability was inversely proportional to the concentration of extract and directly proportional to the eggs. The egg raft of C. quinquefasciatus was found to be more hatchable than A. stephensi. The results show that the leaf extract of C. fistula is promising as a larvicidal and ovicidal agent against C. quinquefasciatus and A. stephensi.

Keywords

Leaf Extract Lymphatic Filariasis Azadirachtin Larvicidal Activity Filariasis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

The authors are grateful to the Professor and Head of the Department of Zoology, Annamalai University, for the facilities provided and encouragement.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • M. Govindarajan
    • 1
    Email author
  • A. Jebanesan
    • 1
  • T. Pushpanathan
    • 1
  1. 1.Division of Phytochemistry and Vector Biology, Department of ZoologyAnnamalai UniversityAnnamalai NagarIndia

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