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Development of resistance of Spodoptera littoralis (Boisd.) to Du-Ter

Published online by Cambridge University Press:  27 March 2009

Z. M. El Attal ,
Omayma K. Moustafa  and
M. D. Abdallah
Z. M. El Attal
Affiliation:
Plant Protection Research Institute, Giza, Egypt
Omayma K. Moustafa
Affiliation:
Plant Protection Research Institute, Giza, Egypt
M. D. Abdallah
Affiliation:
Department of Plant Protection, Faculty of Agriculture, Giza, Egypt
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Summary

The rate of development of resistance to Du-Ter in Spodoptera littoralis (Boisd.) has been determined. The results show that true resistance to Du-Ter could not be induced throughout 33 successive generations. Also, it was found that the rate of development of resistance to DDT in the DDT + Du-Ter strain after being selected with DDT + Du-Ter pressure for 17 successive generations was 11·5- and 43-fold that in the DDT strain. It is concluded that the application of DDT and Du-Ter mixture, having dissimilar modes of action, considerably controls the development of resistance to DDT.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 93 , Issue 2 , October 1979 , pp. 257 - 260
Copyright
Copyright © Cambridge University Press 1979

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References

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