Title: | Development of new ecological long-lasting dispensers of semiochemicals for the control of Bactrocera oleae (Rossi) |
ISSN/ISBN: | 1526-4998 (Electronic) 1526-498X (Linking) |
Abstract: | "BACKGROUND: A new controlled-release pheromone 1,7-dioxaspiro[5,5]undecane dispenser has been developed, which is useful for monitoring the population and controlling Bactrocera oleae (Rossi, 1790) (Diptera: Tephritidae). For this purpose, several kinds of dispensers based on attapulgite were designed and tested in this study. RESULTS: The designed dispensers, together with the commercial-brand olive fruit fly 'Long-Life Lure', which was used as a reference, were evaluated in the field, and in parallel were subjected to an accelerated ageing process in a chamber with a constant temperature and air speed. The residual pheromone content was periodically determined by liquid-gas chromatography in order to obtain the half-life of dispensers and the pheromone release rate. The mesoporous dispenser proved to have the best performance in the field, with a half-life of 5 months and an average emission speed of 0.6 mg day(-1) , parameters very close to those obtained with the commercial dispenser tested. In addition, to evaluate the effectiveness of the different dispensers in the field, a duplicate comparative study of captures was designed, and a colony monitoring study of the olive fruit fly was performed using various food and sex attractants. CONCLUSIONS: Although no significant differences in captures were found between the dispensers tested, the highest number of captures was obtained on average with the mesoporous dispensers demonstrating good pheromone emission characteristics" |
Keywords: | Animals Half-Life Insect Control/*instrumentation Magnesium Compounds Pheromones *Sex Attractants Silicon Compounds Spain *Spiro Compounds *Tephritidae Bactrocera oleae dispenser olean olive fruit fly pheromone; |
Notes: | "MedlineGil-Ortiz, Ricardo eng England 2012/10/31 Pest Manag Sci. 2015 Dec; 71(12):1685-93. doi: 10.1002/ps.3415. Epub 2012 Oct 29" |