Sclerotinia Fungicide Sensitivity Survey

Manitoba Canola Growers along with SaskOilseeds, Alberta Canola, Canola Council of Canada and Agriculture and Agri-Food Canada (AAFC) are currently funding research projects that evaluate sclerotinia for sensitivity to fungicides with different modes of action. Sclerotinia with levels of insensitivity and immunity to common modes of action, have already been identified in Manitoba through this project. With favorable conditions across the province in 2026 we need samples from across the province to understand how widespread this problem is and provide farmers with recommendations for fungicide stewardship and efficacy.

You will receive fungicide test results from the samples you have submitted. Combined results with samples from across Manitoba and the other provinces will be shared publicly at the RM level. All other field information will be handled confidentially.

Sampling and Submission Instructions

1. From a single canola field collect 1-10 sclerotia from infected stems at crop maturity. Sclerotia are located within the stem and are small and black (<1 inch) (see photo).
2. Place sclerotia in a paper envelope along with the following information:
   1. Date Collected
   2. Field Name:
   3. Name and email of contact:
   4. Rural Municipality
   5. Sclerotinia Fungicide Product Applied (if applicable)
      *If sending samples from multiple fields use one envelope per field*
3. In order to get the results from your samples you must fill out the submission form BEFORE mailing your samples. If you do not wish to receive your results you can skip this step and just mail in your sample to the address below.

   Farm Name(Required)

   Full Name(Required)

   First Last

   Phone(Required)

   Country Phone Number

   Email(Required)

   Rural Municipality (RM)(Required)

   Field Name(Required)

   LDD or GPS of Sampled Field(Required)

   Date of Sample Collection(Required)

   Month

   Day

   Year

   Variety(Required)

   Fungicide Applied(Required)

   Submit

   Δ

4. Mail sample envelopes to Lone Buchwaldt, Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, S7K 7V6

For Additional Information Contact:

Lindsey Brooks
Agronomy Specialist
Manitoba Canola Growers
(204) 903-6509
lindsey@manitobacanola.com