Development of Resistance to Molluscicides in Oncomelania Nosophora

1 November 1958

journal article
research article
Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene

Vol. 7 (6) , 618-619
https://doi.org/10.4269/ajtmh.1958.7.618

Abstract

Summary Immersion tests were conducted with O. nosophora collected from areas treated for several years with sodium pentachlorophenate and dinitro-o-cyclohexylphenol, and from neighboring control areas, to determine if resistance has developed to these molluscicides in the treated snail populations. No resistance to Na-PCP was demonstrated in snails from areas which had been treated for 7 years, and 4 years, respectively. However, there was a marked degree of resistance to dinitro-o-cyclohexylphenol in snails from a locality which had been treated with DN-1 for 6 years.

Keywords

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Laboratory Screening of Compounds for Molluscicidal Activity against Oncomelania Nosophora with an Immersion Test and a Modified Plate Test
The American Journal of Tropical Medicine and Hygiene, 1958