Biosecurity & quarantine

The Department of Agriculture and Food, Western Australia (DAFWA) works with primary industries to safeguard our agricultural resources from biological threats and to maintain our export opportunities.

The State’s reputation is underpinned by a comprehensive biosecurity and quarantine system, developed and operated by DAFWA.

DAFWA is involved with:

  • creation of surveillance and diagnostic programs
  • animal and plant risk assessments
  • importing and exporting requirements
  • creating mechanisms to respond to incursions
  • livestock movement and identification
  • development and maintenance of biosecurity and quarantine legislation.

To find out more about what we do to protect agricultural production and export opportunities within the State please search our website.

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Articles

  • 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.

  • PSTVd affects potato plant and tuber development

    Potato spindle tuber viroid: declared pest

    9 July 2014

    Potato spindle tuber viroid (PSTVd) is a declared pest in Western Australia. It can significantly reduce crop yields in potatoes and tomatoes.

  • Null

    Onion smut: declared pest

    20 December 2019

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

  • Null

    Tomato yellow leaf curl virus: declared pest

    5 April 2019

    Tomato yellow leaf curl virus (TYLCV) is a very damaging virus disease of tomato crops in tropical and warm temperate regions of the world, causing losses of up to 100%.

  • 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.

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    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.

  • 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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