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Evaluation of methyl salicylate lures on populations of Typhlodromus pyri (Acari: Phytoseiidae) and other natural enemies in western Oregon vineyards

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dc.creator Gadino, Angela N.
dc.creator Walton, Vaughn M.
dc.creator Lee, Jana C.
dc.date.accessioned 2012-09-05T20:31:10Z
dc.date.available 2012-09-05T20:31:10Z
dc.date.issued 2012-10
dc.identifier.citation Gadino, A., Walton, V., & Lee, J. (2012). Evaluation of methyl salicylate lures on populations of typhlodromus pyri (acari: Phytoseiidae) and other natural enemies in western oregon vineyards. BIOLOGICAL CONTROL, 63(1), 48-55. doi: 10.1016/j.biocontrol.2012.06.006 en_US
dc.identifier.uri http://hdl.handle.net/1957/33237
dc.description This is the publisher’s final pdf. The published article is copyrighted by Elsevier and can be found at: http://www.journals.elsevier.com/biological-control/. To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. en_US
dc.description.abstract Methyl salicylate (MeSA), a herbivore-induced plant volatile, can elicit control of pests through attraction of beneficial arthropods. This study evaluates the effect of synthetic MeSA lures (PredaLure) on arthropod populations during the 2009 and 2010 seasons in two Oregon vineyards (Dayton and Salem). MeSA lures were deployed at a low (4/plot or 260 lures/ha) and high (8/plot or 520 lures/ha) rate in ∼152 m² plots while control plots contained no lure. The predatory mite Typhlodromus pyri Scheuten is considered to be a key biological control agent of the grapevine rust mite, Calepitrimerus vitis Nalepa in Oregon vineyards. Leaf samples were collected to assess T. pyri, C. vitis, spider mite (Tetranychidae) and thrips (Thripidae) population densities in MeSA treated plots compared to control plots. Yellow sticky traps were used to monitor other key predator groups including Anthocoridae, Araneae, Coccinellidae and Syrphidae. Our data did not display consistent trends in T. pyri response to MeSA between treatments at the two field sites over two seasons. Mean seasonal coccinellid counts were significantly higher in MeSA treatments in both years at Dayton. No differences in C. vitis population densities were found between treatments in both years. In 2009 at Salem, significantly lower pest thrips densities occurred in low rate MeSA treatments in the latter part of the season although no trend of decreased seasonal abundance was evident. en_US
dc.description.sponsorship Funding for this research was provided from the Oregon Wine Board, a Grant from the Western Sustainable Agricultural Research and Education Program, and the USDA Northwest Center for Small Fruit Research. en_US
dc.language.iso en_US en_US
dc.publisher Elsevier en_US
dc.relation.ispartofseries Biological Control en_US
dc.relation.ispartofseries Vol. 63 no.1 en_US
dc.subject Herbivore-induced plant volatile en_US
dc.subject MeSA en_US
dc.subject Predatory mites en_US
dc.subject Pest mites en_US
dc.subject Indirect plant defense en_US
dc.title Evaluation of methyl salicylate lures on populations of Typhlodromus pyri (Acari: Phytoseiidae) and other natural enemies in western Oregon vineyards en_US
dc.type Article en_US
dc.description.peerreview yes en_US
dc.identifier.doi 10.1016/j.biocontrol.2012.06.006

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