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Evaluation of existing and new insecticides including spirotetramat and pyridalyl to control Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on peppers in Queensland.

Kay, I.R. and Herron, G.A. (2010) Evaluation of existing and new insecticides including spirotetramat and pyridalyl to control Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on peppers in Queensland. Australian Journal of Entomology, 49 (2). pp. 175-181.

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Article Link(s): http://dx.doi.org/10.1111/j.1440-6055.2010.00751.x

Publisher URL: http://onlinelibrary.wiley.com

Abstract

Insecticides are used by growers to control Frankliniella occidentalis (western flower thrips) in Australian vegetable crops. However, limited information was available on the efficacy of some insecticides used against F. occidentalis and data on new insecticides that could be included in a resistance management program were required. The efficacy of 16 insecticides in controlling F. occidentalis was tested in four small plot trials in chillies and capsicums. Spinosad, fipronil and methamidophos were effective against adults and larvae. Spirotetramat had no efficacy against adults but was very effective against larvae. Pyridalyl was moderately effective against larvae. Methidathion showed limited effectiveness. Abamectin, amorphous silica, bifenthrin, chlorpyrifos, dimethoate, emamectin benzoate, endosulfan, imidacloprid, methomyl and insecticidal soap were not effective. Laboratory bioassays on F. occidentalis collected from the field trials showed resistance to bifenthrin but not to the other insecticides tested. The trials demonstrated that some insecticides permitted for use against F. occidentalis are not effective and identified a number of insecticides, including the new ones spirotetramat and pyridalyl, that are effective and that could be used to manage the pest within a resistance management program.

Item Type:Article
Corporate Creators:DEEDI, QPIF
Additional Information:© The Authors. © Australian Entomological Society. © John Wiley & Sons, Inc.
Keywords:Capsicum; insecticide efficacy; resistance management; vegetable; western flower thrips.
Subjects:Science > Zoology > Invertebrates > Insects
Plant pests and diseases > Individual or types of plants or trees
Plant culture > Vegetables
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Deposited On:18 Nov 2010 05:58
Last Modified:04 Apr 2011 02:15

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