PMID: 9002436Jan 1, 1997Paper

The impact of insecticides on beneficial arthropods in cotton agro-ecosystems in South Africa

Archives of Environmental Contamination and Toxicology
H van Hamburg, P J Guest

Abstract

The unique diversity of beneficial arthropods in South Africa can be regarded as an important natural resource in agro-ecosystems as it plays an important role in the natural control of insect pests. Insecticide applications reduce the ability of these beneficials to regulate cotton pests. In the absence of insecticides, average daily predation rates of 37% and 30% of bollworm eggs and larvae respectively were found in exclusion experiments. By minimizing the number of pesticide applications the combination of the direct negative effect of pesticide application on predator populations and secondary pesticide effects such as the stimulation of red spider mite populations as a result of predator suppression, can be avoided. This would open the option to fully utilize the full pest control potential of the natural enemy complex.

Citations

Apr 20, 2002·Current Opinion in Allergy and Clinical Immunology·Yoon-Keun Kim, You-Young Kim
May 31, 2007·International Archives of Allergy and Immunology·M F JeebhayA L Lopata
Sep 21, 2000·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·Y KimY Kim
Jul 9, 2002·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·S-H KimS-H Cho
Sep 11, 2002·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·Y-K KimY-Y Kim

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