Studies were conducted to compare the effect of trap placement above and below sex pheromone mating disruption (MD) dispensers on captures of codling moth, Cydia pomonella (L.), and oriental fruit moth, Grapholita molesta (Busck), in apple orchards. Traps were placed at a height of 1.8 m or 4.5 m in the tree canopy whereas MD dispensers were placed at 3.1 m within the tree canopy; an adjacent set of plots were treated similarly with only insecticides (nonMD). All trees were approximately 4.8 - 5.1 m in height. Capture of codling moth adults in traps was highest in traps placed at 4.5 m in both MD and nonMD plots and lowest in traps placed at 1.8 m in MD treated plots. Reduction in adult codling moth capture was low to moderate (< 64%) in traps placed above dispensers and higher (>70%) in traps placed below dispensers over both years. Oriental fruit moth adult capture in 2007 was lowest in traps placed at 1.8 m in plots treated with MD. In 2008, capture of oriental fruit moth was highest in traps placed at 4.5 m.
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1 July 2011
Research Article|
July 01 2011
Capture of Two Moth Species in Traps Placed at Different Heights in Sex Pheromone Treated Apple Orchards
Eric Bohnenblust;
Eric Bohnenblust
2,
Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
3Department of Entomology, Fruit Research & Extension Center, The Pennsylvania State University, 290 University Dr., Biglerville, Pennsylvania 17307.
2Address all correspondence to: (email: ewb14@psu.edu); 101 Merkle Bldg., Orchard Rd., The Pennsylvania State University, University Park, Pennsylvania 16802.
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Larry A. Hull;
Larry A. Hull
3Department of Entomology, Fruit Research & Extension Center, The Pennsylvania State University, 290 University Dr., Biglerville, Pennsylvania 17307.
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Greg Krawczyk;
Greg Krawczyk
3Department of Entomology, Fruit Research & Extension Center, The Pennsylvania State University, 290 University Dr., Biglerville, Pennsylvania 17307.
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Neelendra K. Joshi
Neelendra K. Joshi
3Department of Entomology, Fruit Research & Extension Center, The Pennsylvania State University, 290 University Dr., Biglerville, Pennsylvania 17307.
4Department of Entomology, 501 ASI Building, The Pennsylvania State University, University Park, 16802, PA.
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Journal of Entomological Science (2011) 46 (3): 223–231.
Article history
Received:
November 08 2010
Accepted:
February 07 2011
Citation
Eric Bohnenblust, Larry A. Hull, Greg Krawczyk, Neelendra K. Joshi; Capture of Two Moth Species in Traps Placed at Different Heights in Sex Pheromone Treated Apple Orchards. Journal of Entomological Science 1 July 2011; 46 (3): 223–231. doi: https://doi.org/10.18474/0749-8004-46.3.223
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