Diseases

Diseases have a detrimental effect on plants and animals and impact on market access and agricultural production. Diseases include micro-organisms, disease agents (bacteria, fungi and viruses), infectious agents, parasites and genetic disorders.

Western Australia is free from some of the world's major agricultural and livestock diseases. Biosecurity measures on your property are vital in preventing the spread of diseases.

The Department of Primary Industries and Regional Development provides:

  • biosecurity/quarantine measures at the WA border to prevent the entry of plant and animal diseases
  • post border biosecurity measures for harmful animal and plant diseases
  • advice on widespread diseases present in the state.

For advice on animal and plant 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

  • Plants may emerge then curve back into the soil

    Diagnosing allelopathy in narrow-leafed lupins

    19 January 2015

    Allellopathy is a disorder of germinating plants caused by plant phytotoxins.

  • Roots of affected plants are blackened and brittle and break easily, and are black to the core not just on outer surface.

    Monitoring root disease

    15 April 2014

    Plant root diseases are one of the main factors responsible for poor crop yields.

  • Severe powdery mildew infection on strawberry

    Powdery mildew of strawberries

    13 January 2014

    Powdery mildew is a disease which is becoming more prevalent in Western Australian strawberry crops as increasing areas are being grown under high (Haygrove) tunnels.

  • Typical symptoms of Fusarium crown rot in strawberry

    Crown and root rot diseases of strawberries

    13 January 2014

    Strawberries are affected by a number of pathogens causing crown and/or root rots.  These diseases are becoming more prevalent for several reasons including the withdrawal of methyl bromide as a so

  • Plant shoot showing rotting stem caused by Anthracnose.

    Soil-borne diseases

    14 January 2014

    All gardens have a range of permanent soil-borne disease organisms which are usually contained in a balanced environment where organisms, soil conditions, and hosts interact in a complex system.

  • Banksia speciosa later confirmed as infected with Phytophthora cinnamomi

    Phytophthora diseases of cutflowers

    8 January 2014

    Phytophthora root rot is the most common soil-borne disease causing plant death in native cutflower production.

  • Preparing and storing freezed dried isolates into the Culture Collection

    Plant Pathology Reference Culture Collection (WAC)

    14 November 2013

    The aim of the Western Australian Plant Pathology Reference Culture Collection (WAC) is to preserve plant pathogen isolates while providing pure cultures and genetic materials required for diagnost

  • Septoria spot on external orange fruit surface showing characteristic small spots

    Septoria spot of citrus: declared pest

    28 November 2013

    Septoria spot (Septoria citri) is a serious pest of citrus that can affect external fruit quality. This pest is not known to occur in Western Australia.

  • Stripe rust - economic considerations for management

    28 July 2014

    There are many economic and financial implications that need to be considered when choosing a management option. These may include:

  • Carrot seed which is a dark colour and a torpedo shape

    Vegetable seed treatments

    20 June 2014

    The treatment of vegetable seeds prior to planting can help control seed-borne diseases. Control of these diseases is necessary to prevent reduction in the crop yield.

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