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

  • One-off soil inversion using a mouldboard plough

    Soil inversion to ameliorate soil water repellence

    19 December 2010

    One-off soil inversion results in the complete burial of the water repellent topsoil in a layer typically at a depth of 15 to 35 cm, and brings to the surface a layer of wettable subsoil.

  • Windmill grass in fallow

    Windmill grass

    23 May 2012

    Windmill grass (Chloris truncata) is a native species and is the tenth most common summer weed species in the Western Australian wheatbelt.

  • 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.

  • Bromus diandrus infestation in a mature crop

    Management of brome grass

    20 March 2014

    Brome grasses (Bromus spp.) are highly competitive weeds, most problematic in wheat crops.

  • Feathertop Rhodes grass in sorghum

    Weed Seed Wizard details

    15 August 2012

    The Weed Seed Wizard is a computer simulation tool that uses paddock management information to predict weed emergence and crop losses.

  • Harvest

    Crop weeds: Hygiene - prevent weed seed introduction

    29 May 2012

    ‘Risk-aware’ growers can implement strategies to reduce and avoid unnecessary introduction and spread of weeds.

  • Counting wild radish using a quadrant

    Assessing weed population density

    27 January 2011

    The most accurate way to estimate the weed population of a paddock is to count the number of plants in an area of known size at a number of locations.

  • 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%.

  • Assessing burnt stubble

    Crop weeds: reduce weed seed numbers in the soil

    9 December 2010

    One method of weed control is to remove weed seeds in the fallow, stubble and pre-sowing phase.

  • Baling crop residue directly from the header

    Crop weeds: weed management at harvest

    29 May 2012

    This management strategy provides an opportunity to control weed seed set in the pasture and during harvest.

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