July 13, 2011 – Issue 16

Sub Categories

  • No categories
  • 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 presents a challenge for spray timing. A split application may be worthwhile if the later plants or late-flowering branches still present a significant yield potential […]


  • 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 note, the north region, which did need rain, got some. LaCrete area got 1.5” to 3”. Most canola fields in that area are at 30-40% […]


  • 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 typical seeding rate. The Combine Clinic July 18 and 19 (pick one day) in Westlock, Alta., will explain how to reduce harvest losses, putting more yield in the combine tank and reducing the volunteer canola seed bank. Click here to register.


  • 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 are fairly well advanced may benefit from a split fungicide application.


  • 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 had to be applied early in the season) but growers are encouraged to scout and assess the level of damage before they harvest the crop.


  • Coming events

    These upcoming tours and events involve the Canola Council of Canada and/or will cover canola agronomy topics.


Canola Watch