Efficacy of lufenuron as chemosterilant against Ceratitis capitata in field trials

Pest Management Science
Vicente Navarro-LlopisEduardo Primo-Yüfera

Abstract

Two field trials in citrus orchards in Turis (Valencia, Spain) and Denia (Alicante, Spain) were performed in order to test the sterilant effect of the insect growth regulator lufenuron against wild medfly Ceratitis capitata (Wiedemann) populations. Two application methods for lufenuron were tested: spraying, in spots, an emulsion of lufenuron in a protein bait, and hanging delta traps that contained a proteinaceous gel with lufenuron (solid bait). The sterilant effect was measured as medfly population reduction, reduction of fruit damage in treated fields, and the number of eggs hatching in punctured fruits. In order to assess the efficacy of lufenuron treatments, we recorded results obtained from two different zones in both trial fields: an outer zone, close to untreated fields, and an inner zone, in the centre of lufenuron treated fields. We observed a minimum sterilant effect in the outer zone and a maximum sterilant effect in the inner one. The maximum sterilant effect was in the inner zone, where a reduction of medfly population of 80.4% in the sprayed field and a reduction of 77.6% in the solid bait field was observed. In addition, the greater the distance from the untreated zones of the treated orchard (inwards), the low...Continue Reading

Citations

Jul 25, 2007·Bulletin of Entomological Research·V Navarro-LlopisE Primo-Yúfera
Dec 16, 2009·Malaria Journal·Michelle E H HelinskiBart G J Knols
May 23, 2012·Journal of Economic Entomology·Nancy D EpskyRobert R Heath
Jan 29, 2013·Pest Management Science·María Juan-BlascoAlberto Urbaneja
Jan 27, 2010·Pest Management Science·Vicente Navarro-LlopisJaime Primo
Apr 23, 2014·Archives of Insect Biochemistry and Physiology·Chiou Ling ChangDavid Stanley
Aug 2, 2017·Pesticide Biochemistry and Physiology·Chiou Ling Chang

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