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Journal of Biosciences

, Volume 3, Issue 4, pp 457–461 | Cite as

Toxicity of carbaryl and 1-naphthol to four species of freshwater fish

  • K. S. Tilak
  • D. Mohanaranga Rao
  • A. Priyamvada Devi
  • A. S. Murty
Article

Abstract

The toxicity of the carbamate insecticide carbaryl (Seven√) and its metabolite, 1-naphthol, to four species of fish was studied. The calculated 96 h LC 60 values of carbaryl forCatla catla (Ham.), Anabas testudineus (Bloch),Mystus cavasius (Ham.) andMystus vittatus (Bloch) are 6.4, 6.6, 4.6 and 2.4 ppm respectively and that of 1-naphthol are 4.3,3, 0.33 and 1.1 ppm respectively. The degradation product of the insecticide was found to be more toxic than the parent compound, to all the four species studied.

Keywords

Pesticide toxicity carbaryl 1-naphthol freshwater fish 

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Copyright information

© Indian Academy of Sciences 1981

Authors and Affiliations

  • K. S. Tilak
    • 1
  • D. Mohanaranga Rao
    • 1
  • A. Priyamvada Devi
    • 1
  • A. S. Murty
    • 1
  1. 1.Department of ZoologyNagarjuna UniversityNagarjunanagar

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