KEY PRACTICE: The key to minimizing damage from cutworms is early detection through frequent field scouting. Proper identification of cutworm species can be important in the protection of beneficial insects and implementation of other biocontrols.
PROJECT TITLE, LEAD RESEARCHER: “Biocontrol of canola cutworms: Identification and attraction of parasitoids,” 2012-15, Barbara Sharanowski, University of Manitoba
GROWER ORGANIZATION FUNDER: Alberta Canola
Insecticide application is the most common control option for cutworms in canola but it is very difficult to manage. Effective timing of these treatments varies between cutworm species based on life cycle and their subterranean and nocturnal habits. This study looked at parasitoids as the most effective biocontrol option for cutworms affecting canola.
The objectives of this three-year study were: to develop an understanding of the species involved; learn which species of cutworm each parasitoid would attack; and determine whether these parasitoids effectively reduce cutworm damage.Open the PDF to read the entire research summary from the 2015 Science Issue of Canola Digest
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