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

  • Boom spray

    Factors affecting herbicide performance

    19 January 2011

    Herbicide performance can vary greatly depending on a number of factors. These can include compatibility of herbicides, water quality, sprayer decontamination and controlling stressed weeds.

  • A subclover and barleygrass pasture that has been spray-topped on the right hand side

    Effect of spray-topping on pasture legumes

    28 July 2014

    Spray-topping is a very effective method for managing annual grass seed set in pastures.

  • A lupin crop at the 80% leaf drop stage ideal for a crop-topping application

    Crop-topping pulse crops

    28 July 2014

    'Crop-topping' is the late application of herbicides to prevent weed seed-set.

  • 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,

  • Vaccination of a sheep high on the neck behind the ear.

    Veterinary chemical users

    28 November 2013

    Western Australia has laws to control chemical use on trade animals. These laws protect people, animals and the environment from harm.

  • A fox sitting next to the body of a dead lamb

    Fox control

    11 December 2013

    Foxes can cause significant losses to some agricultural producers. They also prey on many native animals. The best option is to control foxes before they become a problem.

  • 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.

  • Summer fallow spray

    Herbicides

    18 January 2011

    Herbicides play a vital role in integrated weed management programs.

  • Blackleg canker in canola

    Managing blackleg in canola

    5 December 2013

    Blackleg is the most regularly occurring, serious disease of canola in Western Australia.

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