Quantifying the impact of pesticides on natural enemies

Waage J., . (1992) Quantifying the impact of pesticides on natural enemies. [Proceedings Paper]

While many biological control practitioners believe that pesticides and natural enemies don't mix the development of IPM recognises a commitment to their integration. To date dramatic cases of resurgence have provided the only clear quantification of this interaction. The fact that such resurgence is rare and that natural enemies persist in many sprayed ecosystems makes clear the need for better methods and efforts at quantifying pesticide effects as a basis for successful development of IPM. In this paper the theory and ecological evidence for pesticide natural enemy interactions is reviewed and quantitative methods ranging from laboratory assays to field trials are examined with special reference to brassica and fruit tree crop system. Complex indirect effects of pesticides on natural enemy impact in the tropics such as 'catastrophic synchronisation' will also be discussed and methods for their quantification suggested

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Abstract

While many biological control practitioners believe that pesticides and natural enemies don't mix the development of IPM recognises a commitment to their integration. To date dramatic cases of resurgence have provided the only clear quantification of this interaction. The fact that such resurgence is rare and that natural enemies persist in many sprayed ecosystems makes clear the need for better methods and efforts at quantifying pesticide effects as a basis for successful development of IPM. In this paper the theory and ecological evidence for pesticide natural enemy interactions is reviewed and quantitative methods ranging from laboratory assays to field trials are examined with special reference to brassica and fruit tree crop system. Complex indirect effects of pesticides on natural enemy impact in the tropics such as 'catastrophic synchronisation' will also be discussed and methods for their quantification suggested

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Item Type:	Proceedings Paper
Additional Information:	18 ref.; Summary En
AGROVOC Term:	CONTROL DE PLAGAS
AGROVOC Term:	ENEMIGOS NATURALES
AGROVOC Term:	CONTROL BIOLOGICO
AGROVOC Term:	PLAGUICIDAS
Geographical Term:	MALAYSIA
Depositing User:	Ms. Norfaezah Khomsan
Last Modified:	24 Apr 2025 05:26
URI:	http://webagris.upm.edu.my/id/eprint/14915

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