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

  • Null

    Psa of kiwifruit: Declared pest

    27 June 2019

    Psa (Pseudomonas syringae pv.

  • Dorsal view of a red over-wintering form of two-spotted spider mite (Tetranychus urticae) on a gerbera leaf

    Spider mite pests of Western Australian plants

    9 October 2013

    Mites of the Tetranychidae family (commonly known as spider mites) include some important pests of economic concern to agriculture and forestry.

  • Close up of white star potatoes on white background

    Potato seed certification

    20 November 2013

    DDLS Seed Testing and Certification is responsible for administering the industry seed potato production schemes in Western Australia.

  • TPP Quarantine Area

    5 May 2017

    A Quarantine Area Notice is in place that applies restrictions to the movement of host plants produced in the Quarantine Area to other areas in the state where tomato-potato psyllid is not known to

  • Citrophilus mealybug on a fruit

    Citrophilus mealybug: declared pest

    18 October 2013

    Citrophilus mealybug (Pseudococcus calceolariae) is a serious pest of many horticultural industries that can downgrade fruit quality and affect fruit production.

  • Queensland fruit fly, Bactrocera tryoni

    Queensland fruit fly

    6 February 2015

    Queensland fruit fly (Qfly, Bactrocera tryoni) is considered to be one of the most serious pests of fruit and vegetables in Australia.

  • codling moth affected apples and moth

    Codling moth: declared pest

    11 April 2014

    Codling moth (Cydia pomonella) is a serious pest of apples and other pome fruit and has the potential to cause severe crop losses.

  • Glassy-winged sharpshooter adult and nymphs

    Glassy-winged sharpshooter: declared pest

    16 September 2022

    Glassy-winged sharpshooter (Homalodisca vitripennis) is a sucking leafhopper known to be a vector to bacterium Xylella fastidiosa, which causes various serious plant diseases.

  • 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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