Monitoring resistance of Cydia pomonella (L.) Spanish field populations to new chemical insecticides and the mechanisms involved
Visualitza/Obre
Data de publicació
2017-11-16ISSN
1526-498X
Resum
BACKGROUND
Widespread resistance of Cydia pomonella to organophosphates was demonstrated in populations from the Spanish Ebro Valley area which showed high levels of enzymatic detoxification. To determine the efficacy of new insecticides, neonate larval bioassays were carried out on 20 field codling moth populations collected from three different Spanish apple production areas. Synergist bioassays were performed to determine the enzymatic mechanisms involved.
RESULTS
The least active ingredients were methoxyfenozide, with 100% of the populations showing significantly lower mortality than the susceptible strain, and lambda‐cyhalothrin, with very high resistance ratios (872.0 for the most resistant field population). Approximately 50% of the populations were resistant or tolerant to thiacloprid. By contrast, tebufenozide was very effective in all the field populations, as was chlorpyrifos‐ethyl despite its widespread use during the last few years. Indoxacarb, spinosad and chlorantraniliprole also provided high efficacy, as did emamectin and spinetoram, which are not yet registered in Spain.
CONCLUSION
The resistant Spanish codling moth populations can be controlled using new reduced‐risk insecticides. The use of synergists showed the importance of the concentration applied and the difficulty of interpreting results in field populations that show multiple resistance to different active ingredients. © 2017 Society of Chemical Industry
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
632 - Malalties i protecció de les plantes
Pàgines
39
Publicat per
Wiley
Publicat a
Pest Management Science
Citació
Bosch, Dolors, Marcela A Rodríguez, and Jesús Avilla. 2018. "Monitoring Resistance Of Cydia Pomonella (L.) Spanish Field Populations To New Chemical Insecticides And The Mechanisms Involved". Pest Management Science 74 (4): 933-943. Wiley. doi:10.1002/ps.4791.
Número de l'acord de la subvenció
MINECO/Programa Estatal de fomento de la investigación científica y técnica de excelencia/AGL2013-49164-C2-2-R/ES/Control Integrado de Plagas en Cultivos Hortofrutícolas/
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2016-77373-C2-1-R/ES/Avances en el control intregrado de plagas en cultivos hortofrutícolas: mejora del control biológico por conservación en hortícolas y frutales/CIPTOOLS
Programa
Protecció Vegetal Sostenible
Aquest element apareix en la col·lecció o col·leccions següent(s)
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