Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013

Marek Seidenglanz, Jana Poslušná, Jiří Rotrekl, Pavel Kolařík, Eva Hrudová, Pavel Tóth, Jiří Havel and Milena Bernardová
Additional contact information
Marek Seidenglanz: Department of Plant Protection, AGRITEC, Plant Research Ltd., Šumperk, Czech Republic
Jana Poslušná: Department of Plant Protection, AGRITEC, Plant Research Ltd., Šumperk, Czech Republic
Jiří Rotrekl: Agriculture Research Ltd, Troubsko, Czech Republic
Pavel Kolařík: Agriculture Research Ltd, Troubsko, Czech Republic
Eva Hrudová: Department of Crop Science, Breeding and Plant Medicine, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic$2
Pavel Tóth: Department of Crop Science, Breeding and Plant Medicine, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic$2
Jiří Havel: Department of Plant Protection, OSEVA Development and Research Ltd., Opava, Czech Republic
Milena Bernardová: Trial Station Kluky Ltd., Kluky u Písku, Czech Republic$4

Plant Protection Science, 2015, vol. 51, issue 2, 94-107

Abstract: Susceptibility of Meligethes aeneus populations from the Czech Republic and Slovakia was tested with lambda-cyhalothrin (93 populations in 2012, 82 populations in 2013) using IRAC method No. 011 Version 3. Resistant populations predominated in both years. The mean percentage mortalities for a common European field rate of 7.5 g a.i./ha were 60.95% in 2012 and 61.36% in 2013 (according to Abbott's formula). The LC50 values estimated for the tested populations exceeded the European field rate in many cases (22.09% of populations in 2012 and 17.14% in 2013). Only in 10.47% and 7.14% of populations the LC90 values were below the European field rate (in 2012 and 2013, respectively). Slovak populations seemed to be somewhat less resistant compared to the Czech ones.

Keywords: pollen beetles; pyrethroid resistance; esteric pyrethroids; adult vial tests; IRAC (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:51:y:2015:i:2:id:40-2014-pps

DOI: 10.17221/40/2014-PPS

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