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Susceptibility level of cabbage seed weevil (Ceutorhynchus assimilis Payk.) (Coleoptera: Curculionidae) to selected active ingredients of insecticides in Poland

 

Joanna Zamojska*, Daria Dworzańska, Paweł Węgorek

 

Department of Zoology, Institute of Plant Protection – National Research Institute, Władysława Węgorka 20, 60-318 Poznań, Poland

 

*Corresponding address:

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Received: September 26, 2017

Accepted: March 13, 2018

 

Abstract

Cabbage seed weevil (Ceutorhynchus assimilis Payk.) is one of the most important and dangerous pests of oilseed rape in Poland and in other European countries. In contrast to another important oilseed rape insect pest – pollen beetle (Meligethes aeneus F.), little is known about cabbage seed weevil susceptibility level to insecticide active ingredients. Therefore, the aim of this study was to determine the cabbage seed weevil susceptibility to active ingredients from different insecticide groups. Research, carried out in 2015, 2016 and 2017 revealed very high susceptibility of the pest to organophosphates and all pyrethroid active ingredients, except for tau-fluvalinate, lower susceptibility to thiacloprid and very high resistance to indoxacarb from oxadiazines. This information is a basic element for creating integrated pest management strategies for oilseed rape in Poland.

 

Key words: Ceutorhynchus assimilis, cabbage seed weevil, insecticide resistance, oilseed rape, pest management

 

 

 
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