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

  • Pile of golden wheat grain

    Seed dressing and in-furrow fungicides for cereals in Western Australia

    20 November 2013

    Seed dressing and in-furrow fungicides contain active ingredients for the control or suppression of seed-borne diseases, some fungal foliar diseases and some fungal root rots in cereal crops.

  • Crown rot in wheat appears as scattered white heads

    Crop diseases: forecasts and management

    11 December 2013

    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,

  • Annual ryegrass

    Annual ryegrass

    6 October 2011

    Annual ryegrass (Lolium rigidum) is one of the most serious and costly weeds of annual winter cropping systems in southern Australia.

  • Wheat with Yellow Spot

    Wheat disease ratings

    22 June 2014

    When selecting a wheat variety to implement in a farming system, it is important to be aware of the variety's disease package to plan management options. The disease resistance ratings for wheat va

  • Yellow spot appears as tan elongated lesions with yellow margins, with leaf dying back from tip

    Managing yellow spot and septoria nodorum blotch in wheat

    5 December 2013

    Leaf spot diseases affecting wheat in Western Australia are septoria nodorum blotch, yellow spot and septoria tritici blotch.

  • Capeweed flower head

    Capeweed reduces crop yield

    4 February 2011

    In Western Australia, competition from 7-90 capeweed plants per square metre in a wheat crop can reduce crop yield by 28-44% and net return by 25-76%.

  • Wheat susceptible to SNB on flag leaf

    Improving resistance to septoria nodorum blotch (SNB) in wheat

    9 February 2016

    Septoria nodorum blotch (SNB) is a significant fungal disease of wheat.  Resistant varieties would complement on-farm disease management practices to maintain grain yields under disease epidemics.

  • Wild radish flowering heads

    Wild radish

    18 May 2012

    Wild radish (Raphanus raphanistrum) is highly competitive in crops and can cause a yield loss of 10-90%.

  • Bunt infected wheat seeds appear greyish brown with soot-like spores inside

    Smut and bunt diseases of cereal - biology, identification and management

    13 December 2012

    Cereal smut and bunt diseases are caused by fungi which parasitise the host plant and produce masses of soot-like spores in the leaves, grains or ears.

  • Leaf rust on leaves at Northampton Western Australia 2013

    Managing stripe rust and leaf rust in wheat in Western Australia

    13 December 2012

    Stripe rust (Puccinia striiformis f. sp. tritici) and leaf rust (Puccinia triticina) can be a significant threat to wheat crops in Western Australia in some seasons.

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