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Residual Effect, Skin Application and Injection of γ-Hexachlorocyclohexane in Drosophila melanogaster

Published online by Cambridge University Press:  10 July 2009

D. Dresden  and
F. J. Oppenoorth
D. Dresden
Affiliation:
Panel for research on biocides of the National Council for Agricultural Research T.N.O., Utrecht.
F. J. Oppenoorth
Affiliation:
Panel for research on biocides of the National Council for Agricultural Research T.N.O., Utrecht.
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Extract

As a basis for future investigations on the development and the nature of resistance against insecticides, the regression lines for the toxicity of γ-hexachlorocyclohexane to D. melanogaster were estimated by means of

1. A contact method, in which the insects (adults) were exposed to a treated surface.

2. A skin-application method, in which measured doses of an acetone solution of the poison were used.

3. An injection method in which adults were injected with known doses of an emulsion containing the insecticide.

The reproducibility of the results obtained with the above methods is briefly discussed. It was found that in the case of the skin-application and injection methods the regression line did not deviate significantly from linearity. The same was true for the contact method if the results obtained with the smaller doses were not taken into consideration.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 43 , Issue 4 , January 1953 , pp. 581 - 586
Copyright
Copyright © Cambridge University Press 1953

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