Chemicals

Many primary producers in Western Australia rely on chemicals to protect their agricultural enterprises from pests, weeds and diseases. Chemicals provide many benefits to primary production but must be used responsibly to minimise the adverse effects associated with their use.

The Department of Primary Industries and Regional Development in conjunction with other state departments and federal authorities regulates the use of agricultural and veterinary chemicals to minimise risks to human health, the environment, animal welfare and trade.

Details about agricultural and veterinary chemical products registered for use in Western Australia can be sourced through the Australian Pesticides and Veterinary Medicines Authority.

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Articles

  • herbicide application to control three-horned bedstraw

    Three-horned bedstraw control

    7 November 2013

    Galium tricornutum is a declared pest in Western Australia and subject of an eradication program. Report immediately the presence of this weed.

  • Narrow-leaf cotton bush (Gomphocarpus fruticosus) flower and seed pods

    Narrow leaf cotton bush control

    6 November 2013

    Control methods for narrow leaf cotton bush (Gomphocarpus fruticosus).

  • Mexican poppy (Argemone mexicana) flower and leaves

    Mexican poppy control

    8 October 2013

    Control methods for Mexican poppy, Argemone mexicana, a declared pest in Western Australia. These control methods are also applicable to control the non declared weed A.

  • Prickly pear pad

    Opuntioid cactus control

    1 November 2013

    Control methods for opuntioid cacti, declared pests in Western Australia. Report the presence of this organism if it's legal status is prohibited before undertaking a control measure.

  • Hormone herbicide damaged leaf indicated by red arrow and a healthy leaf below.

    Spraying phenoxy herbicides

    23 April 2014

    The use of phenoxy herbicides is restricted in Western Australia (WA) under the Aerial Spraying Control Act 1966 and the Agriculture and Related Resources Protection (Spraying Restrict

  • Herbicide adjuvants, surfactants and oils

    5 November 2013

    Surfactants, wetting agents, anti-drift thickeners and petroleum oils can where required be used to improve the effectiveness of using herbicides.

  • Demonstration of spray nossles

    Herbicide application for declared plants

    5 November 2013

    There are a number of herbicide application methods available for declared plants.  Recommendations for application methods in crops can be used in many cases.  However, when the weeds are sparsely

  • A boom spray in use, spraying a paddock before seeding

    Spray-topping declared plants

    4 November 2013

    Weeds sprayed with a sub-lethal dose of a phenoxy, hormone type herbicide appear to become more palatable to stock.

  • Farm Biosecurity Sign

    Declared plant control handbook

    1 November 2013

    Recommendations for the control of declared plants in Western Australia (WA).

  • Distorted flowering spike, flowers and pods

    Diagnosing Group A herbicide damage in canola

    7 May 2014

    These are post-emergent grass control herbicides used for annual ryegrass and/or wild oat control in wheat, barley and broadleaf crops or non-selective grass control in broadleaf crops.

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