Viruses & virus-like

There are many types of viruses, viroids, prions and syndromes that have the potential to affect animal and plant health in Western Australia. Viruses pose a serious risk for primary producers, as they can impact on market access and agricultural production.

Western Australia is free from some of the world's major agricultural and livestock diseases. Good biosecurity measures on your property are vital for preventing the spread of animal and plant diseases. Viruses can be spread by insect vectors. There are no pesticides that can be used to kill viruses, however they can be reduced and controlled by controlling these insect vectors with pesticides.

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.


  • White spot is a highly contagious viral infection that affects all crustaceans.

  • Papaya sticky disease (caused by the combined action of Papaya meleira virus and Papaya meleira virus 2) can spread rapidly through plantings, making the fruit unattractive and unmarketable.?This p

  • Stunted plant with thickened leaves and reddened margins

    Beet western yellows virus (BWYV)?that has been renamed Turnip Yellows virus (TuYV)?is an aphid-borne virus that causes yield and quality losses in canola.? It also infects other crop and pasture s

  • DDLS - Plant pathology is a service area under the?Department of Primary Industries and Regional Development's Diagnostic Laboratory Services (DDLS).

  • 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,

  • In Western Australia's Mediterranean-type climate, the survival of pests and diseases over summer is often critical in determining pest outbreaks and disease epidemics in broadacre crops.

  • Turnip yellows virus (TuYV; formerly beet western yellows virus)?is an aphid-borne virus that causes yield and quality losses in canola.

  • 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%.

  • 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.

  • Pepper mild mottle virus (PMMoV) is a plant?virus that occurs worldwide and infects capsicums and some other solanaceous plants.


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