2010 – Issue 5

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  • Tips for late seeding, N top up, insect scouting

    Issues of the week May 26, 2010 — Rain ranged from a few tenths to 3” across much of the Prairies last week, including the Peace region. For those canola acres not seeded, growers need to take steps to speed emergence and tighten maturity. For example, find an early-maturing variety, seed shallow, and seed at […]


  • Crop and weather update

    Peace (B.C. and Alberta): The region received 1” to 3” of rain in the past week, including snow in areas. This was welcome as the region, in general, has been dry. Canola seeding is wrapping up. Alberta: Rain was fairly general, with up to 2” in many areas. Frost west of Edmonton and east around […]


  • Quick hitters

    Canola stands of 1 plant per square foot usually have 50-75% of the yield potential of an optimal stand density (greater than 6 plants per square foot) at the same stage of maturity.  But there is usually a yield advantage of earlier seeded crops. Therefore, a thin stand can have 90% of the yield potential […]


  • Tips to help canola mature faster

    When assessing how late is too late to seed Argentine canola, start with the average date of the first fall frost. Here are maps showing average dates for first fall frost in each province: Alberta Saskatchewan Manitoba Most fall frosts occur within two weeks either side of the average date for your area. Next, look at […]


  • Volunteer canola is a high-risk crop

    With high emergence rates of volunteer canola, some growers with many acres still to seed may be tempted to leave these volunteer “crops” to maturity. Volunteer canola is not a hybrid anymore, so yield potential of each individual seed is lower and not all plants will have herbicide tolerance. And with distribution concentrated in the […]


  • If growers must broadcast seed…

    Broadcast seeding usually results in lower yields compared to drill seeding. But when wet conditions limit equipment flotation and when time is running out to get the crop in, growers may wish to consider broadcast seeding. Here are some tips: 1. Increase seeding rates slightly to compensate for non-uniform seed depth. 2. Consider lightly cultivating […]


  • Strategies to improve weed control in Liberty Link

    Liberty works best when applied with water volumes of 10 gallons per acre and when temperatures are warm. “When I worked in retail, we eliminated almost all Liberty performance issues by going to 10 gpa (Imperial),” says Ingrid Kristjanson, crop specialist for Manitoba Agriculture, Food and Rural Initiatives. Clark Brenzil, weed management specialist with Saskatchewan […]


  • Tips for a nitrogen top up

    Growers who reduced nitrogen rates at seeding and now would like to top up can see good results from dribble banding liquid nitrogen on the soil surface. Cindy Grant, research scientist with Agriculture and Agri-Food Canada in Brandon, provides these tips: —Urea is less prone to losses when dribble banded in the liquid UAN form […]


  • Watch for cutworm damage after emergence

    John Gavloski, provincial entomologist with Manitoba Agriculture, Food and Rural Initiatives (MAFRI), says crop insurance assessed a field of canola south of Bagot, Man., last week because of cutworm damage. Scott Hartley, provincial entomologist with the Saskatchewan Ministry of Agriculture, recommends that growers scout closely for cutworms based on their higher activity in 2009 and […]


Canola Watch