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

  • Banana freckle disease symptoms

    Banana freckle: biosecurity alert

    18 October 2013

    Banana freckle was detected in Dwarf Cavendish banana fruit in the Northern Territory in May 2022. The Northern Territory Government is responding to this new detection.

  • Plant with purple stems and dark green leaves covered with a bright yellow powder-like fungus.

    Myrtle rust: Biosecurity alert

    8 April 2014

    Myrtle rust is a serious disease that infects and kills many plants belonging to the Myrtaceae family including eucalypts, bottlebrushes, paperbarks and peppermint trees.

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    Blueberry rust

    12 November 2014

    Blueberry rust is a fungal disease that affects blueberries and some relatives in the Ericaceae plant family. The disease was detected in Western Australia in April 2022.

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    Onion smut: declared pest

    20 December 2019

    Onion smut (Urocystis cepulae) is a disease of onions. This disease is absent from Western Australia.

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    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.

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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.

  • Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

    Dry rot of citrus: pest data sheet

    29 May 2014

    Dry rot (Eremothecium coryli) is an exotic pest to Western Australia.

  • Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

    Dry rot of citrus: declared pest

    29 May 2014

    Dry rot (Eremothecium coryli) is a serious pest of citrus that can affect fruit palatability and citrus rootstock seed production. This pest is not known to occur in Western Australia.

  • Erythricium salmonicolor growth on citrus stem showing the white-pink-grey coloured hyphal mass

    Pink disease of citrus: pest data sheet

    1 May 2014

    Pink disease (Erythricium salmonicolor) is an exotic pest to Western Australia. It is a serious disease of citrus than can result in yield losses due to limb and tree death.

  • Pink disease on citrus stem. The white and pink material shown is the fungus which has produced an encrusted growth on the stem.

    Pink disease of citrus: declared pest

    1 May 2014

    Pink disease (Erythricium salmonicolor) is a serious pest of citrus that can affect entire limbs and/or kill trees. This pest is not known to occur in Western Australia.

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