Plant Protection Science (2015) 51, 94-107

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M. Seidenglanz, J. Poslusná, J. Rotrekl, P. Kolarík, E. Hrudová, P. Tóth, J. Havel and M. Bernardová (2015)
Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013
Plant Protection Science 51 (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.
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Database assignments for author(s): Marek Seidenglanz

Research topic(s) for pests/diseases/weeds:
pesticide resistance of pest

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Brassicogethes aeneus Czech Republic
Brassicogethes aeneus Slovakia