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186 results found
  • Identifying pathotypes provides basis of rust control efforts
    Diseases, 02 Nov 2022
    Identifying pathotypes provides basis of rust control efforts

    Cereal rust pathotypes (aka races or strains) are isolates of rust that differ in their ability to overcome resistance genes in cereal varieties. Pathotypes are identified by using a sample of rust from a cereal crop to infect a set of cereal varieties (“differentials”) – each carrying a known resistance gene – and determining which resistance genes are overcome and which are not.

  • New resources a guide to fungicide management
    Diseases, 18 Oct 2022
    New resources a guide to fungicide management

    Three new videos from AFREN will help southern region growers improve their fungicide and fungal disease management.

  • New chickpea IDM strategies tested
    Diseases, 12 Oct 2022
    New chickpea IDM strategies tested

    Ascochyta blight of chickpeas is a serious fungal disease. A GRDC investment being conducted by the CSIRO is focusing on the Ascochyta infection life cycle in the hope of better informing out-of-season integrated disease management strategies.

  • Blackleg management for 2023 begins now
    Diseases, 10 Oct 2022
    Blackleg management for 2023 begins now

    The successful defence against blackleg infection of canola requires continual vigilance. Even experienced growers need to remember that blackleg control relies on year-round integrated disease management (IDM), not just in-season fungicide use.

  • Decade-old pathogen mystery solved via classical and new tools
    Diseases, 03 Oct 2022
    Decade-old pathogen mystery solved via classical and new tools

    Australian-based researchers have cracked a decade-old cold case, identifying the pathogen responsible for the devastating faba bean gall disease, and thereby improving management strategies.

  • Crop disease levels push to new highs
    Diseases, 27 Sep 2022
    Crop disease levels push to new highs

    Six agronomists and one researcher share their disease observations from across Australia.

  • Fungicide insensitivity detected in barley leaf rust pathogen
    Diseases, 18 Aug 2022
    Fungicide insensitivity detected in barley leaf rust pathogen

    A key to the success of pathogenic microbes in causing disease is the ability to generate genetic variation. Recent tests by the Plant Breeding Institute has found insensitivity in isolates of the barley leaf rust pathogen Puccinia hordei.

  • Stripe rust detected in wheat east of the Nullarbor
    Diseases, 13 Aug 2022
    Stripe rust detected in wheat east of the Nullarbor

    Six agronomists from across Australia share how their clients are working to protect their crops against cereal diseases

  • New stripe rust trials to create early warning network for northern growers
    Diseases, 05 Aug 2022
    New stripe rust trials to create early warning network for northern growers

    Dr Simpfendorfer says across both NSW and Queensland, growers have been noticing high stripe rust occurrences in emerging crops, even reporting cases of low levels in resistant-moderately resistant (RMR) varieties like Lancer.

  • Northern growers at risk of cereal disease misdiagnosis due to seasonal and paddock conditions
    Diseases, 19 Jul 2022
    Northern growers at risk of cereal disease misdiagnosis due to seasonal and paddock conditions

    Northern growers have been anticipating an increase in disease risk with ongoing wet conditions creating the perfect storm for cereal leaf diseases such as rusts, net blotches and yellow leaf spot.

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