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120 results found
  • Glyphosate-resistant ryegrass challenge
    Weeds, 21 May 2021
    Glyphosate-resistant ryegrass challenge

    Random weed surveys identified glyphosate resistance in ryegrass plants collected from 27 per cent of paddocks in south-eastern South Australia and 40 per cent of paddocks in south-western Victoria in the 2020 season. Herbicide resistance specialist Dr Peter Boutsalis explored the “significant increase” in glyphosate-resistant annual ryegrass at the 2021 GRDC Grains Research Update in Adelaide.

  • Glyphosate-resistant capeweed detected in WA
    Weeds, 17 Feb 2021
    Glyphosate-resistant capeweed detected in WA

    Australian Herbicide Resistance Initiative (AHRI), Research Associate Yaseen Kahlil says they have detected the world’s first population of glyphosate-resistant capeweed.

  • Researchers find key herbicide resistance gene
    Weeds, 22 Jan 2021
    Researchers find key herbicide resistance gene

    Australian Herbicide Resistance Initiative scientists have identified one of the genes that enables annual ryegrass to detoxify and become resistant to different herbicides

  • Research highlights summer adaption of annual ryegrass
    Weeds, 21 Jan 2021
    Research highlights summer adaption of annual ryegrass

    Recent research is investigating whether annual ryegrass as a weed is adapting to Australia's climatic conditions and becoming more productive in the warmer months.

  • Virtual fencing adds new strand to farm management
    Weeds, 08 Jan 2021
    Virtual fencing adds new strand to farm management

    A new series of trials is pushing the boundaries of virtual fencing technology to more strategically manage cattle and sheep grazing for weed control on mixed farms in South Australia.

  • Strategies to manage feathertop Rhodes grass
    Weeds, 05 Jan 2021
    Strategies to manage feathertop Rhodes grass

    To help determine if there is demand for additional FTR workshops, growers, agronomists and advisers are asked to register their interest.

  • Seed cleaning helps keep the lid on weed banks
    Weeds, 18 Dec 2020
    Seed cleaning helps keep the lid on weed banks

    With herbicide-resistant weeds a continuing challenge, changes in weed spectrums, off-farm grain cleaning is an important tool in the IWM toolkit. This has been demonstrated by increased uptake of off-farm cleaning by Western Australian growers in surveys taken over a seven-year interval.

  • Major herbicide research effort enters new phase
    Weeds, 16 Dec 2020
    Major herbicide research effort enters new phase

    The Grains Research and Development Corporation (GRDC) and the Crop Science division of Bayer today announced that the Herbicide Innovation Partnership (HIP) would be extended for another four years to 2025.

  • Spray safely to reduce drift risk this summer
    Weeds, 14 Dec 2020
    Spray safely to reduce drift risk this summer

    Grower Relations Manager Richard Holzknecht encourages growers to reduce the risk of spray drift issues this summer.

  • Harvest – make it a testing time for managing herbicide resistance
    Weeds, 09 Dec 2020
    Harvest – make it a testing time for managing herbicide resistance

    This harvest is an opportune time for southern region grain growers to collect weed seeds for herbicide resistance testing.

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