Biological control-based IPM in sweet pepper greenhouses usingAmblyseius swirskii(Acari: Phytoseiidae)
- 24 September 2012
- journal article
- research article
- Published by Taylor & Francis Ltd in Biocontrol Science and Technology
- Vol. 22 (12), 1398-1416
- https://doi.org/10.1080/09583157.2012.731494
Abstract
The predatory mite Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae) has been evaluated as a potential biological control agent for whitefly and thrips, but it has yet to be demonstrated that the addition of A. swirskii to an existing biological control programme improves management of these pests in commercial greenhouses. Experiments were initiated at the beginning of the cropping season in greenhouses located in the two main sweet pepper growing areas of Spain. At each location, a randomised complete block design was used with four replicates and two treatments: (1) current biological control-based Integrated Pest Management standard or (2) this standard supplemented by introductions of A. swirskii. A. swirskii established and reproduced well in the crop and was the most abundant phytoseiid species during the experiment in the plots where it was released. It also provided significant reduction of the whitefly population and pest control costs compared to greenhouses employing the standard. However, the addition of A. swirskii did not reduce thrips populations with respect to plots not receiving the predatory mite, presumably due to the inclusion of the anthocorid bug Orius laevigatus Fieber (Heteroptera: Anthocoridae) which established well. These results make the inclusion of A. swirskii in IPM programmes for sweet pepper crops advisable for whitefly control.Keywords
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