Current status of insecticide resistance in Q biotype Bemisia tabaci populations from Crete

Pest Management Science
Emmanouil RoditakisA Tsagkarakou

Abstract

A major problem of crop protection in Crete, Greece, is the control of Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) with chemical insecticides owing to the rapid development of resistance. The aim of this study was to investigate the establishment of resistance and the underlying mechanisms to major insecticide classes with classical bioassays and known biochemical resistance markers. During a 2005-2007 survey, 53 Q biotype populations were collected. Application history records showed extensive use of neonicotinoids, organophosphates, carbamates and pyrethroids. High resistance levels were identified in the majority of populations (>80%) for imidacloprid (RF: 38-1958x) and alpha-cypermethrin (RF: 30-600x). Low resistance levels (RF < 12) were observed for pirimiphos-methyl. A strong correlation between resistance to imidacloprid and the number of applications with neonicotinoids was observed. Significant correlations were observed between COE and P450-dependent monoxygenase activity with resistance to alpha-cypermethrin and imidacloprid respectively. A propoxur-based AChE diagnostic test indicated that iAChE was widespread in most populations. Resistance levels for alpha-cypermethrin were increased when compared with a ...Continue Reading

References

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Mar 18, 2003·Pest Management Science·Frank J ByrneNick C Toscano
Nov 25, 2003·Archives of Insect Biochemistry and Physiology·Natascha Rauch, Ralf Nauen
Feb 16, 2005·Pest Management Science·Emmanouil RoditakisAnastasia Tsagkarakou
Mar 10, 2005·Archives of Insect Biochemistry and Physiology·Ralf Nauen, Ian Denholm
Dec 20, 2005·Insect Biochemistry and Molecular Biology·Michal AlonShai Morin

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Citations

Nov 26, 2010·Journal of Agricultural and Food Chemistry·Yuanming ZhuJames D Thomas
Jan 29, 2016·Journal of Agricultural and Food Chemistry·Xiaoqing MengZhong Li
Jun 13, 2013·Pest Management Science·Emmanouil RoditakisMarianna Staurakaki
Feb 11, 2011·Pest Management Science·Jonathan M BabcockYuanming Zhu
Jan 1, 2014·Pest Management Science·Steven J CastleNilima Prabhaker
Jan 11, 2014·Pest Management Science·Emmanouil RoditakisAnastasia Tsagkarakou
Nov 19, 2015·Journal of Integrative Plant Biology·Floor van den Oever-van den ElsenBen Vosman
Jun 6, 2015·Pesticide Biochemistry and Physiology·Chris BassRalf Nauen
Apr 12, 2020·International Journal of Molecular Sciences·Mario ParisiPasquale Tripodi
Feb 25, 2021·Pest Management Science·Huixin ZhengYoujun Zhang
Jul 11, 2021·International Journal of Biological Macromolecules·Tianhua DuYoujun Zhang

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