Bacteria are single celled prokaryotic (no membrane around nucleus) microorganisms that are either free-living in soil or water or diseases of plants or animals.  As a disease of plants and animals bacteria are a risk for Western Australian primary producers as they impact upon market access and agricultural production. 

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

The Department of Agriculture and Food, Western Australia provides:

  • biosecurity/quarantine measures at the State border to prevent the entry of bacterial diseases.
  • where relevant post border biosecurity measures.
  • advice on widespread bacterial diseases present in the State.

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

For diagnostic services, please contact our AGWEST Plant Laboratories or Animal Health Laboratories.


  • 5 September 2017

    The Western Australian Department of Primary Industries and Regional Development has confirmed the detection of Dickeya dianthicola in seed potatoes and dormant dahlia tubers in Western Au

  • 15 May 2017

    Candidatus Liberibacter solanacearum (CLso) is is an exotic pest to Australia.

  • Straw or brown colour spots surrounded by a yellow water-soaked halo than may resemble septoria
    19 February 2016

    There are two types of bacterial disease which infect oat foliage; halo blight (Pseudomonas syringae pv. coronafaciens) and stripe blight (Pseudomonas syringae pv.

  • 11 August 2017

    Soft rot can cause heavy losses in stored potatoes if not properly managed, creating a perception of poor quality in export seed potato markets.

  • 17 July 2017

    Information is provided here to assist management of diseases and viruses that occur in broadacre crops grown in Western Australia - cereals (wheat, barley, oats and triticale), pulses (field pea,

  • Leaf spots that turn yellowish and later brown and papery
    13 May 2015

    Bacterial Blight (Pseudomonas syringae pv.pisi) is rarely seen in Western Australia.

  • 9 December 2016

    American foulbrood is a disease of honeybee larvae caused by the bacterium Paenibacillus larvae.

  • 9 December 2016

    European foulbrood disease, a serious disease of honey bees in eastern Australia, has not been detected in Western Australia.

  • 14 October 2016

    Broccoli, cabbage, Chinese cabbage, cauliflower and Brussels sprouts are members of the brassica family.

  • 22 July 2016

    DDLS - Plant pathology (formerly part of AGWEST Plant Laboratories) is a service area under the DAFWA Diagnostic Laboratory Services (DDLS) - an amalgamation of DAFWA plant and animal laboratory an

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