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105 results found
  • Broadleaf rise adds to disease profile
    Diseases, 03 May 2021
    Broadleaf rise adds to disease profile

    Viruses and Sclerotinia are two disease threats that have come under increased scrutiny in New South Wales in recent years. Both can easily fly under the radar with symptoms that are often indistinguishable from those caused by abiotic stress and herbicides.

  • Opportunities to expand blackleg resistance pool
    Diseases, 02 May 2021
    Opportunities to expand blackleg resistance pool

    New research has identified three major resistance genes for blackleg in canola, developed markers, and is working to better understand how minor gene resistance is expressed. Screening shows that one of these major genes is present in most historic and many current Australian varieties.

  • Disease services support pulse management
    Diseases, 01 May 2021
    Disease services support pulse management

    The SARDI pathology group has supported growers with a disease diagnostics service for accurate identification, disease surveillance and disease management advice. Information has included the timing of spore showers and how shifts in disease pathotypes impact on variety resistance.

  • Plan of attack for aggressive Ascochyta isolates
    Diseases, 30 Apr 2021
    Plan of attack for aggressive Ascochyta isolates

    Ascochyta blight in chickpea has become more aggressive against commonly grown chickpea varieties such as PBA HatTrick (PBR), Genesis™ 090 and PBA Seamer (PBR). Studies into pathogen biology are targeting opportunities to develop better resistance and management recommendations.

  • Genome sequencing leaves plant viruses no place to hide
    Diseases, 25 Apr 2021
    Genome sequencing leaves plant viruses no place to hide

    Researchers have developed an Australian first – a high-throughput genome sequencing diagnostic method for viruses in grains. The new method will support the quarantine and screening of imported germplasm and reduce the risk of introducing plant viruses into Australia.

  • Remembering the ‘Maharaja of wheat’
    Diseases, 20 Apr 2021
    Remembering the ‘Maharaja of wheat’

    It was with great sadness that all those involved in the industry learned of the passing of Dr Sanjaya Rajaram, the “Maharaja of wheat”, at the age of 78, on 17 February in Mexico.

  • Surveys measure the disease challenge
    Diseases, 16 Apr 2021
    Surveys measure the disease challenge

    Crop surveys enable the early detection of diseases in commercial crops and ensure that timely messages are provided to help growers and advisers protect crops. Disease build-up in 2020, due to wetter conditions across many areas, highlights risks for 2021.

  • New tools reveal more complex virus landscape
    Diseases, 15 Apr 2021
    New tools reveal more complex virus landscape

    New molecular tools are underpinning dramatic improvements in the ability to identify and study viruses in pulses. The results have revealed surprising differences in the types of viruses previously understood to exist in Australia and will help researchers develop effective management strategies.

  • Robust disease ratings for pulses now available
    Diseases, 12 Apr 2021
    Robust disease ratings for pulses now available

    Disease ratings for pulses have been updated to provide national NVT ratings for pulse crops. These will better align crops and diseases nationally and are based on the appropriate disease management strategy for each variety.

  • Do canola fungicide applications always pay?
    Diseases, 05 Apr 2021
    Do canola fungicide applications always pay?

    In 2020, researchers from the Grain Orana Alliance and Brill Ag tested whether it was financially worthwhile protecting canola crops against disease – and they found mixed results

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