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Skeleton Weed In Western Australia: 2025 Management Guide, Department Of Primary Industries And Regional Development, Western Australia

Biosecurity bulletins

Skeleton weed can reduce crop yields by competing for moisture and nutrients (mainly nitrogen).

This guide helps you manage and eradicate skeleton weed infestations on your property, and helps to stop the spread across WA.

Without the coordinated program aimed at controlling the spread, skeleton weed would now be much more abundant and widely established throughout cereal growing areas.

If you find skeleton weed on your property, we can help you get rid of it.

Skeleton weed is unpredictable and can spread over long distances due to wind dispersal, but once identified it can be managed effectively and eradicated

Skeleton Weed In Western Australia: Control Program 2024–2025, Department Of Primary Industries And Regional Development, Western Australia

Biosecurity bulletins

Key program changes

Winter eradication program

New herbicide recommendations for control in crops, legume based annual pastures, plantations and glyphosate tolerant canola.

• The minimum size of ‘squares’ (infested areas) has been reduced from 40 m x 40 m (0.16 ha) to 20 m x 20 m (0.04 ha) to help reduce the winter treatment area.
• Landholders will need to consult with DPIRD/LAG officers to assess the degree of infestation before working or cultivating through squares in Code 1 paddocks.
• Clopyralid (LontrelTM) herbicide will no longer be provided for treatment on heavily infested paddocks. Landholders will still be required to undertake …