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1 June 2012 Pesticide Compatibility with Natural Enemies for Pest Management in Greenhouse Gerbera Daisies
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Abstract

Pesticides commonly used in commercial greenhouse management were evaluated for compatibility with two biological control agents: a leafminer parasitoid (Diglyphus isaea [Walker]), and a predatory mite (Neoseiulus californicus [McGregor]). These natural enemies were exposed to miticides, fungicides, and insecticides targeting leafminers, thrips, and whiteflies, according to label directions in laboratory vial assays, after which mortality at 12, 24, and 48 h was recorded. Greater mortality of predatory mites than leafminer parasitoids was observed overall, illustrating that fewer pesticides were compatible with predatory mites compared with the parasitoid. However, some commonly used pesticides were found to cause high mortality to both the leafminer parasitoid and predatory mites. Twospotted spider mite (Tetranychus urticae Koch) infestations often disrupt leafminer (Liriomyza trifolii [Burgess]) biocontrol programs. Therefore, potentially compatible miticides (bifenazate, hexythiazox, spiromesifen, acequinocyl, etoxazole, and clofentezine) identified in laboratory trials were also evaluated in a greenhouse study and found to be compatible with leafminer biocontrol.

© 2013 Entomological Society of America
Cheri. M. Abraham, S. K. Braman, R. D. Oetting, and N. C. Hinkle "Pesticide Compatibility with Natural Enemies for Pest Management in Greenhouse Gerbera Daisies," Journal of Economic Entomology 106(4), 1590-1601, (1 June 2012). https://doi.org/10.1603/EC12503
Received: 16 December 2012; Accepted: 1 May 2013; Published: 1 June 2012
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