Clubroot

  • Southern Alberta clubroot meeting at Indus, January 7

    Clubroot

    The Canola Council of Canada, Alberta Canola, and Rocky View County are hosting a Southern Alberta Clubroot Response Workshop on Monday, January 7 at the Indus Hall.

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  • How to contain a clubroot-infested patch

    Clubroot

    If identified early enough and small enough, patches of soil infested with clubroot-causing Plasmodiophora brassicae can be managed in various ways to reduce the spore load in those patches and prevent clubroot from spreading beyond that patch. This excerpt from a November 2018 Canola Digest article describes patch management techniques:

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  • Why tell people about your clubroot?

    Clubroot

    Farmers who discover clubroot early and take action should be commended. Not singled out. Not blamed. If you’re the first to find it in an area, it might mean you’re the most observant scouter or that nobody else has been brave enough to report their infestations yet. By coming forward, you and your neighbours have a chance to talk about management objectives early, while spore loads are low.

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  • Clubroot identified in Northern Sunrise County southeast of Peace River

    Clubroot

    Clubroot has been identified in canola southeast of Peace River in northern Alberta. Although clubroot has been found in various counties in Alberta since 2003, this is the first year the disease has been confirmed in Northern Sunrise County. This fall, Peace Country canola growers should be especially diligent in scouting their canola fields for […]

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  • How to test soils for the clubroot pathogen

    Clubroot

    Soil tests for clubroot can have two objectives:
    1. Is the clubroot pathogen present? (Yes/No test)
    2. What is the resting spore count per gram of soil? (Quantitative test)

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  • Clubroot identified in Rocky View County southeast of Calgary

    Clubroot

    Clubroot has been identified in a canola field south of Calgary in Southern Alberta. Although clubroot has been found in various counties in Alberta since 2003, this is the first confirmed case of the disease in Rockyview County. For more about the discovery and what to do about it….

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  • Clubroot management: Harvest theme

    Clubroot

    By this time of year, galls may start to break-down. Decaying galls will have a sawdust-like look and texture. If in doubt, send plant samples to a lab.

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  • Clubroot and your 2019 seed decisions

    Clubroot

    As we learned at the International Clubroot Workshop, genetic resistance to clubroot is failing at an increasing rate all around the world. To help reduce selection pressure for clubroot pathotypes that can overcome the current resistance traits, the Canadian approach is to deploy clubroot-resistant (CR) canola seed varieties as soon as clubroot is seen in […]

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  • What is the best time for fall weed control?

    Clubroot

    Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results.

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  • Canola Watch quiz – Clubroot

    Clubroot

    Three quick questions that may help you think differently about clubroot.

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