Weeds

  • At the ready: Tips to avoid delays when seeding, spraying resumes

    Weeds

    Weather delays for seeding and spraying make it all the more important to have equipment ready to go and running smoothly when productive moments come along. Here are a few preparations to consider for the drill and sprayer.

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  • Tips for spraying in the wind

    Weeds

    The “Windy” app for iPhone and Android and wind speed, gust and direction information at ventusky.com will back up what you already observed outside the sprayer cab…that it’s too windy for spraying, again. So how do you spray weeds in a timely fashion when every day seems too windy?

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  • Spring frost: Take a few days to assess the situation

    Weeds

    Growers have two common questions after a spring frost:

    1. Did the crop survive? (Do I need to reseed?)
    2. When can I resume weed control?

    Here are our answers….

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  • Seeding is two weeks away. Should I spray now?

    Weeds

    Even if seeding is two or three weeks away, a pre-seed burnoff now could keep these weeds from getting too big to control. We have reports of gigantic winter annuals in fields where they haven’t been sprayed.

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  • Spraying in cool conditions

    Weeds

    Weedy field pre-seed Nicole

    Early weed control with lower efficacy is generally preferable to no control at all or late control with higher efficacy — as long as weeds are present and not frost damaged.

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  • Keep It Clean: Rates and options for each HT system

    Weeds

    A key part of the Keep It Clean program is to follow label rates and timing for all crop protection products. Here are specifics for each herbicide-tolerant system.

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  • Canola Watch quiz: 4 weeds to ID

    Weeds

    Can you correctly identify these four weeds? Three are fairly common. One may be unfamiliar to you.

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  • Seed first or spray weeds? A situation

    Weeds

    A farmer is seeding Roundup Ready canola and the field has a lot of winter wheat volunteers and some perennials. Is the farmer better to seed or spray first?
    Answer: In this situation, with Roundup Ready canola being able to take a glyphosate application at any time up to the 6-leaf stage, the farmer may want to take advantage of good seeding conditions and seed, then spray as soon as possible after seeding. Reasons….

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  • Pre-seed volunteer canola control: Before canola, before other crops

    Weeds

    Volunteer canola is a weed and competes with the crop for nutrients and water and sunlight. Volunteers in a canola crop do not make a positive contribution to yield. Growers also have other reasons to get rid of them: Volunteers do not have seed treatment, so they can introduce seedling diseases and increase flea beetle pressure. Also, volunteers in non canola years provide a host for blackleg, clubroot and insects, reducing the effectiveness of crop rotation for managing these issues.

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  • Spraying in the post-seeding, pre-emergence window

    Weeds

    If choosing to seed before spraying, weeds present will have a minimum five days — usually more — before the crop emerges. These weeds can advance very quickly in good conditions, which is why growers who seed before spraying may choose to apply in the narrow post-seeding pre-emergence window.

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Canola Watch