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1 June 2006 Integrating Soil-Applied Azadirachtin with Amblyseius cucumeris (Acari: Phytoseiidae) and Hypoaspis aculeifer (Acari: Laelapidae) for the Management of Frankliniella occidentalis (Thysanoptera: Thripidae)
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Abstract
We examined integration of soil application of azadirachtin with two predatory mite species to control Frankliniella occidentalis (Pergande) on Phaseolus vulgaris. The release of a single predatory mite species reduced thrips numbers only to the lowest degree under this set of experimental conditions. Predator combinations increased corrected thrips mortality ranging from 54 to 85%. NeemAzal-U (17% azadirachtin), a formulation developed for root uptake, caused mortalities from 70 to 98% after soil application. A combination of azadirachtin with predatory mites enhanced not only consistency in thrips control but also resulted in efficacies of up to 99%. The survival of both predatory mite species were not significantly affected by NeemAzal-U soil treatments. However, a significant reduction in population development of H. aculeifer assumed an influence of NeemAzal-U on reproduction of the soil dwelling mites.
G. Thoeming and H-M. Poehling "Integrating Soil-Applied Azadirachtin with Amblyseius cucumeris (Acari: Phytoseiidae) and Hypoaspis aculeifer (Acari: Laelapidae) for the Management of Frankliniella occidentalis (Thysanoptera: Thripidae)," Environmental Entomology 35(3), (1 June 2006). https://doi.org/10.1603/0046-225X-35.3.746
Received: 27 September 2005; Accepted: 1 February 2006; Published: 1 June 2006
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