Weeds

Weeds pose a serious risk for primary producers as they can impact on market access and agricultural production.

In 2006/07, each Western Australian agricultural business spent an average of $29 376 ($341 million total) on weed control (Australian Bureau of Statistics).

Weed control is a shared responsibility between landholders, grower groups, biosecurity groups and the Department of Primary Industries and Regional Development.

To protect WA’s agriculture, the department:

  • works with landholders, grower groups, community groups and biosecurity groups
  • regulates weeds under the Biosecurity and Agriculture Management Act 2007
  • provides a weed identification service
  • provides a predictive simulation tool called weed seed wizard
  • provides information on weed control, crop weeds, regulated/declared plants and herbicides
  • contributes to social science through weedwatcher.

For advice on weeds 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.

Articles

  • The Boosting Biosecurity Defences program is a collection of projects and activities that aim to increase Western Australia's capability to prepare for and respond to biosecurity issues affecting W

  • During autumn and spring, yellow, grey or brown masses of slimy, frothy, or powdery material may suddenly appear on lawns, mulch, and low-growing plants.

  • A list containing links to descriptions and chemical controls for declared plants and a calendar of operation for declared and other trouble plants.

  • Following the extended dry conditions this autumn, weeds are now emerging and becoming a challenge for growers to manage in paddocks that may have patchy crops, crops with staggered emergence or no

  • Herbicides can be applied by a variety of means including boom sprayers, aerial spraying, misters, blanket wipers, rope wick applicators, weed seekers and back-pack sprayers.

  • Testing for herbicide susceptibility allows you to determine what herbicide options are still available to control weeds on your farm.

  • In-crop weed competition causes losses costing around $1 billion per annum for Western Australia.

  • The Opuntioid cacti Austrocylindropuntia species, Cylindropuntia species and Opu

  • This page provides information about three Industry Funding Schemes addressing pest and disease threats relevant to the grains/seed/hay, sheep/goat and cattle industries.

  • Integrated weed management (IWM) is a system for managing weeds over the long term, and is particularly useful for managing and minimising herbicide resistance.

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