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  • Quiz – Insect eggs

    Eggs are not a target for management, but this is a fun quiz that will improve your agronomy knowledge. Look out for these when out scouting the soil or plants for other issues. This is a matching quiz –... more


  • Top 10 sclerotinia stem rot questions

    1. What is 20 per cent flower? For most fungicides, the window for application is from 20 to 50 per cent flower, with optimum timing typically around 30 per cent flower. At 20 per cent flower, the main stem... more


  • What does a 5” rain do to soil nutrient availability?

    After a heavy rain, canola in higher ground might be in good shape. Canola on the edge of standing water may be experiencing some stress due to reduced root function, and the nutrient deficiency that results.... more


  • Insect update

    Cabbage seedpod weevil. The economic threshold for applying insecticides is 25 to 40 weevils in 10 sweeps. Those sweeps should be done at very early canola flowering, and if fields are over threshold,... more


  • Heat and its effect on canola

    Hot days (28-30°C and up) coupled with warm nights (16°C and up) from bud to mid-flowering stages can have a substantial effect on canola yield.Cool nights offer some recovery from hot days. Warm nights do... more


  • Late-window applications of herbicide

    Always follow labels for rate, timing and pre-harvest intervals (PHI) when applying herbicides. Applications made after the label window can lead to reduced weed control due to advanced weed staging and... more


  • How to make an accurate diagnosis

    The challenge is that one symptom can have many causes, so keep an open mind. Don’t have a pre-conceived notion of what the problem is. If you get a second opinion – which is a great idea – try not to... more


  • Connections – July 8

    Canola Watch has many valued connections, including the Canola Council of Canada, SaskCanola, Alberta Canola and Manitoba Canola Growers, as well as research institutions, government extension departments,... more


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