Major Canola Pests

Detection, surveillance and management of weeds, insects and diseases are important to the economic viability of canola.

Through the funding of research and financial support and partnerships with groups including the Canola Council of Canada, Prairie Pest Monitoring Network, Sprayers 101 and others, MCGA aims to help farmers make the most informed decision for their farms.

Click on the resources below to learn more about these major canola pests. For more information on a wider range of canola pests and production challenges please visit Canola Council of Canada’s Canola Encyclopedia.

Insect Monitoring with Prairie Pest Monitoring Network

The Prairie Pest Monitoring Network is a helpful resource for information on pests nationwide and is proudly sponsored by Manitoba Canola Grower in partnership with other organizations.

Blackleg

Blackleg is a serious disease of canola across all canola growing areas.

Clubroot

Clubroot is a serious soil-borne disease of cruciferous crops.

Verticillium Stripe

Verticillium Stripe, caused by Verticillium longisporum, is a soil-borne fungal disease, which primarily attacks canola and also other members of the family Brassicaceae.

Sclerotinia

Sclerotinia has become a yearly concern for most Manitoba canola growers.

Canola Encyclopedia

The Canola Encyclopedia is your complete guide to growing canola in Canada.

Canola Diagnostic Services

Members: Get free Canola Diagnostic Services. Canola Diagnostic Services provide free diagnostic testing to help Manitoba canola growers identify and manage crop diseases.

Flea Beetles

Flea beetles are potentially the most common insect pest of canola crops, and first attack plants in the seedling to early vegetative stages when they are most vulnerable.

Diamondback Moth

A common pest insect in canola, the diamondback moth adults blow in from the southern United States each spring and can cause varying amounts of feeding damage on green canola […]

Lygus Bugs

The lygus bug has piercing-sucking mouthparts which cause physical damage to the plant through their nymph and adult stage by puncturing the tissue and sucking plant juices.

Cutworms

The larval stage of various cutworm species can cause damage to canola plants by feeding on the cotyledons, leaves, stems or under soil surfaces.

Cabbage Seedpod Weevil

Cabbage seedpod weevil can cause considerable yield loss at the larval stage, and has continued to increase its distribution in the Prairies since being found in southern Alberta in 1995.

Weed Management Information

Weed control remains one of the most important mechanisms of yield loss in Western Canada.

Manage Resistance Now

Protect your land, one field at a time.

Weed population shifts in Manitoba

Residual weed population shifts in Manitoba from 1978 to 2022.

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