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.
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