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Hail at flowering. Now what?
Yield loss from hail will depend on crop stage and severity of the damage. In addition to physical injury, hail damage allows a point of entry for diseases such as…
Latest Issue | October 2 2024, Issue 26
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How to destroy volunteer canola stands
Volunteer canola in the field at this point is a weed that could dramatically impact your canola crops in the future. It may be infected with blackleg or sclerotinia, adding… -
Issues of the week
Growers with uneven, thin or late canola are struggling with the sclerotinia spray decision, especially if they’ve been without rain or high humidity the past week or so. Uneven crop…… -
Crop and weather update
Peace: The whole region got rain the past week, including up to 6” in places that didn’t need it. Some fields are underwater from corner to corner. On a positive…… -
Help for volunteer canola management
Growers can significantly reduce their volunteer canola seedbank by reducing losses at harvest. Canola losses at harvest can be up to 5 bushels per acre, which is 50 times the… -
Sclerotinia in an uneven crop: Consider a split application
The sclerotinia spray decision is more complicated for growers with canola stands that are thin, late or at multiple stages. Multi-stage and thin crops that have good yield potential and… -
Insect update
Diamondback moth and bertha armyworm numbers are fairly low so far this year. Slugs and aphids are a concern for a couple canola growers… -
Blackleg in eastern Manitoba
Canola fields in eastern Manitoba are showing signs of blackleg infection. The photos below show typical damage. There is no effective fungicide for canola at this growth stage (protective sprays… -
Issues of the week
Moist conditions increase the sclerotinia stem rot risk. High humidity (even if it doesn’t rain) can promote apothecia to release higher levels of sclerotinia ascospores. Ideal timing for sclerotinia spraying……
