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Du-ter as a synergist for insecticide formulations against cotton leafworm

Published online by Cambridge University Press:  27 March 2009

Omayma K. Moustafa ,
Z. M. El Attal  and
M. D. Abdallah
Omayma K. Moustafa
Affiliation:
Plant Protection Research Institute, Giza, Egypt
Z. M. El Attal
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 joint action of several insecticide formulations with a constant concentration of the antifeedant Du-ter that gives 50% starvation with the fourth instar of Spodoptera littoralis (Boisd.) was assessed. The results provided evidence that the toxicity of all the tested insecticides to the cotton leafworm can be markedly increased by using Du-ter in combination with each of the candidate insecticides. Since Du-ter proved to be highly synergistic, its mixtures with insecticides can result in a decrease in the rate of insecticide application.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 95 , Issue 3 , December 1980 , pp. 523 - 524
Copyright
Copyright © Cambridge University Press 1980

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References

REFERENCES

Azab, A. K., Ali, A. M. & Moustafa, O. K. (1973). Effect of some antifeedants and insecticides on the development of Spodoptera littoralis (Boisd.). First Egyptian Pest Control Congress, Assiut University, Assiut, pp. 85–93.Google Scholar
El Attal, Z. M., Moustafa, O. K. & Abdallah, M. D. (1979). Development of resistance of Spodoptera littoralis (Boisd.). to Du-Ter. Journal of Agricultural Science, Cambridge 93, 257–260.Google Scholar
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