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« Previous AbstractControl of Cydia pomonella L. and Cydia molesta (Busck) (Lepidoptera Tortricidae) in pome-fruit orchards with Ecodian sex pheromone dispensers    Next AbstractBehavioural and electrophysiological lateralization in a social (Apis mellifera) but not in a non-social (Osmia cornuta) species of bee »

J Econ Entomol


Title:Control of Lobesia botrana (Lepidoptera: Tortricidae) by biodegradable ecodian sex pheromone dispensers
Author(s):Anfora G; Baldessari M; De Cristofaro A; Germinara GS; Ioriatti C; Reggiori F; Vitagliano S; Angeli G;
Address:"SafeCrop Centre, IASMA Research Center, Via E. Mach, 1, 38010, San Michele all'Adige, Trento, Italy. gianfranco.anfora@iasma.it"
Journal Title:J Econ Entomol
Year:2008
Volume:101
Issue:2
Page Number:444 - 450
DOI: 10.1603/0022-0493(2008)101[444:colblt]2.0.co;2
ISSN/ISBN:0022-0493 (Print) 0022-0493 (Linking)
Abstract:"Mating disruption with a high density of sex pheromone dispensers is a new strategy recently developed for the control of the moth Lobesia botrana (Denis & Schiffermuller) (Lepidoptera: Tortricidae). Ecodian LB dispensers, made of low-cost biodegradable material, were formulated with 10 mg of (E,Z) -7,9-dodecadienyl acetate and placed at a rate of 1,600 dispensers per ha. Seasonal dispenser performances were studied using different methods. The female attractiveness disruption and the efficacy of the method were evaluated in the field. The release rates of field-aged Ecodian LB dispensers, measured directly by solid phase microextraction, was comparable with that of the standard monitoring lure after 50-60 d of field exposure and significantly lower beyond 60 d; however, at the end of the season, it was approximately 46 times higher than that of a calling L. botrana female. Electroantennographic recordings showed that dispensers of different field age strongly stimulated male antennae. In a wind tunnel test, dispensers elicited close-range approaches and direct source contacts irrespective of their age. In fields treated with Ecodian dispensers the attractiveness of traps lured with calling females and monitoring baits was significantly reduced. Our data suggest that Ecodian dispensers are active sources of pheromone throughout the season. The efficacy of Ecodian strategy for L. botrana control was comparable with standard mating disruption and curative insecticides"
Keywords:"Animals Biodegradation, Environmental Moths/*drug effects Pest Control, Biological/*instrumentation/*methods Sex Attractants/*pharmacology Sexual Behavior, Animal/drug effects;"
Notes:"MedlineAnfora, G Baldessari, M De Cristofaro, A Germinara, G S Ioriatti, C Reggiori, F Vitagliano, S Angeli, G eng Research Support, Non-U.S. Gov't England 2008/05/08 J Econ Entomol. 2008 Apr; 101(2):444-50. doi: 10.1603/0022-0493(2008)101[444:colblt]2.0.co; 2"

 
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