Opuntioid cactus control

Page last updated: Tuesday, 7 November 2017 - 11:45am

Please note: This content may be out of date and is currently under review.

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.

Report the presence of this pest before undertaking control

Information about this pest can be found on the opuntioid cacti: declared pest page.

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Control options

Biological, cultural and chemical control options can be found below.

Biological control options

Biological control options will soon be available for some species in Western Australia.

Cultural control options

Grub individual plants. Ensure that no plant segments are left as they will regenerate new root systems.

Chemical control options

Chemical requirements

When using any agricultural chemicals please ensure that you always follow instructions on the label and any permit. Users of agricultural chemical products must always strictly comply with the directions on the label and the conditions of any permit. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website.

Recommended herbicides

When actively growing:

Triclopyr; Triclopyr + picloram

Herbicide: Triclopyr (Group I) (various trade names such as GarlonTM: see APVMA link)

Active ingredient

600g/L triclopyr

Amount of product/100L water

3.0L

Amount of product/100L diesel

1.3L

Surfactant

spray oil with a water mix is essential

Time of application

when actively growing (spring or autumn)

Remarks

Thorough coverage required with follow up 6 months post treatment.

The mix with diesel will give superior results than the water mix.

Herbicide: Triclopyr + picloram (Group I) (various trade names such as AccessTM: see APVMA link)

Active ingredient

240g/L triclopyr + 120g/L picloram

Amount of product/100L diesel 1.6L
Time of application

when actively growing (spring or autumn)

Remarks

Thorough coverage required with follow up 6 months post treatment.

Access may damage nearby susceptible off target species.

Herbicide: Triclopyr + picloram (Group I) (various trade names such as Grazon ExtraTM: see APVMA link)

Active ingredient

300g/L triclopyr + 100g/L picloram + 8g/L aminopyralid

Amount of product/100L water

1L

Surfactant

spray oil with a water mix is essential

Time of application

when actively growing (spring or autumn)

Remarks

thorough coverage required with follow up 6 months post treatment

More information

crushing the plant allows the chemical to penetrate and often gives greater control

Contact information

Pest and Disease Information Service (PaDIS)
+61 (0)8 9368 3080