Negative correlations between the susceptibilities of Czech and Slovak pollen beetle populations to lambda-cyhalothrin and chlorpyrifos-ethyl in 2014 and 2015

Marek Seidenglanz, Jana Poslušná, Pavel Kolařík, Jiří Rotrekl, Eva Hrudová, Pavel Tóth, Jiří Havel, Eva Plachká, Ján Táncik and Kamil Hudec
Additional contact information
Marek Seidenglanz: 5
Jana Poslušná: 5
Pavel Kolařík: Agriculture Research Ltd., Troubsko, Czech Republic
Jiří Rotrekl: 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: OSEVA Development and Research Ltd., Workplace at Opava, Opava, Czech Republic
Eva Plachká: OSEVA Development and Research Ltd., Workplace at Opava, Opava, Czech Republic
Ján Táncik: Department of Plant Protection, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic
Kamil Hudec: Department of Plant Protection, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic

Plant Protection Science, 2017, vol. 53, issue 2, 108-117

Abstract: Sixty-five Czech Meligethes populations were tested against lambda-cyhalothrin and chlorpyrifos-ethyl in 2014. In 2015, totally sixty Meligethes populations, some of which sampled also in Slovakia, were tested against the two insecticides. Adult vial tests by IRAC (Insecticide Resistance Action Committee) were used for testing (No. 011 v. 3 for lambda-cyhalothrin and No. 025 for chlorpyrifos-ethyl). For each of the tested populations the LC50, LC90, and in 2015 also LC95 values were determined for both these insecticides. Correlation analyses were made with transformed (log10 transformation) LC values. No significant correlation was recorded between the LC50 values. Contrary to that, significant (P < 0.05) negative (r values for negative) correlations were recorded between the LC90 and LC95 values. Pyrethroid resistance in pollen beetle populations should indicate their slightly higher susceptibility to chlorpyrifos-ethyl.

Keywords: Meligethes aeneus; pyrethroid resistance; susceptibility to organophosphates; IRAC adult vial tests (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:53:y:2017:i:2:id:187-2015-pps

DOI: 10.17221/187/2015-PPS

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