Fall control

  • Give weeds time to re-grow before spraying

    Fall control

    Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results. Before spraying, identify the weeds present. Are they perennials? Winter annuals? Annuals? Clubroot hosts?

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  • Dry soils: Fall management considerations

    Fall control

    Dry conditions throughout the summer and heading into winter could have ramifications for field management decisions this fall and rotation planning for next year.

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  • Fall herbicide: Frost, volunteer canola, cleavers and more

    Fall control

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  • Weeds: Late September, early October for perennials

    Fall control

    Perennials such as thistles and dandelions are best controlled from mid-September to early October. Waiting at least a month after cutting will increase the target leaf area, but later dates increase the risk of losing healthy leaf tissue to frost. Without healthy leaf tissue, the herbicide can’t get translocation to the weed’s crown and storage roots where the killing can occur.

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  • What is the best time for fall weed control?

    Fall control

    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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  • Spraying weeds in November

    Fall control

    Warm weather has some weeds showing and growing again. If weeds are green, leaf tissue is still relatively pliable and temperatures are relatively warm, growers may still have an opportunity to control perennial and winter annual weeds.

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  • Spraying weeds after frost and snow

    Fall control

    When freezing temperatures stop fall weed control plans, snow is likely more of a help than a hindrance with respect to overall weed condition. The snow layer is likely to insulate the weed leaf material from the colder conditions that follow it. That could mean you’re back spraying earlier than you would be with frost alone. Spray decisions — when to spray or whether to spray at all — will depend on leaf condition after the snow is gone.

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  • Top 10: Planning for next season

    Fall control

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    In preparation for next season, here are a few field and office jobs and WHEN to start them.

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  • When to spray weeds in the fall?

    Fall control

    Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results. Perennial weeds cut off at harvest need time to accumulate new leaf tissue to absorb herbicides. Four weeks is a minimum recommendation and six weeks is ideal.

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  • Fall weed control: pre-canola options

    Fall control

    Canola is sensitive to carryover from many herbicides. Here’s the list of products that could be used this fall on fields planned for canola next spring, but read the notes carefully.

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