Pests, weeds & diseases

Pests, weeds and diseases pose a serious risk for primary producers as they can impact on market access and agricultural production.

To reduce the impact of pests, weeds and diseases, the Department of Primary Industries and Regional Development:

  • works with landholders, grower groups, community groups and biosecurity groups.
  • provides diagnostic services and information on prevention, management and treatment.
  • provides biosecurity and quarantine measures to prevent introduction, and to eradicate or manage current pests.

For advice on pests, weeds and diseases search our website, the Western Australian Organism List or contact our Pest and Disease Information Service (PaDIS).

For diagnostic services, please contact our Diagnostic Laboratory Services.

See Also

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Articles

  • Garden weevil

    Viticulture spray guide for Western Australia

    28 October 2013

    The Viticulture spray guide provides information for the management of pests and diseases applicable for both wine and table grape vineyards within Western Australia.  The bulletin lists over 500 a

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    e-Surveillance for pests and diseases in the WA grape industry

    8 July 2015

    Surveillance and diagnosis for pests and diseases in the Western Australian grape industry was a transformational project to boost the early detection of exotic pests and disease incursions and enh

  • Null

    Late blight of potato and tomato: declared pest

    4 April 2019

    Late blight (Phytophthora infestans) is considered the most devastating disease of potatoes worldwide and caused the Irish potato famine in the 1840s.

  • Null

    Bacterial wilt of potato: declared pest

    29 March 2019

    Bacterial wilt (Ralstonia solanacearum) is a serious disease of potatoes that can cause crop losses of more than 90%.

  • Null

    Potato Virus Y tuber necrosis strain: declared pest

    4 April 2019

    Potato virus Y tuber necrosis strain (PVYNTN) causes a serious disease of potatoes called potato tuber necrotic ringspot disease which results in dark unsightly rings on tubers.

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    Onion rust: declared pest

    11 April 2019

    Onion rust (Puccinia allii) is a disease of plants in the onion family, including onions, garlic, chives, spring onions and leeks.

  • Grape leaf showing the small circular lesions which appear on young leaves early in spring

    Black spot of grapevines in Western Australia

    6 June 2014

    Black spot, or anthracnose disease of grapevines is caused by the fungus Elsinoe ampelina.

  • Cavity spot lesions on carrot

    Cavity spot disease of carrots

    7 October 2013

    Cavity spot disease reduces the quality of carrots so that they become unacceptable for local and export markets. Information about this disease and its control are provided.

  • Jujube fruit with brown spot

    Brown spot of jujube

    21 November 2017

    Brown spot is a fungal disease caused by Nothophoma quercina. It affects jujubes in Western Australia and has been reported in olives, pistachios and Chinese quince in other countries.

  • Western Australian carrots

    Candidatus Liberibacter solanacearum

    8 May 2017

    Candidatus Liberibacter solanacearum is a bacterial plant pathogen that is exotic to Australia. Currently five haplotypes have been described: haplotypes A and B from solanaceous crops suc

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