Information about this pest can be found on the Bathurst burr: declared pest page.
Login or set up a new account on DAFWAs online training site to access:
- a training course on how to identify Bathurst burr and report it.
- training material that you can use to teach community groups how to identify Bathurst burr.
Chemical requirements
When using any agricultural chemicals please ensure that you always follow instructions on the label.
Control options
Chemical control options can be found below.
Chemical control options
Recommended herbicides | Summer as early as possible before flowering:2,4-D ester; 2,4-D amine Actively growing:Glyphosate; Grazon™ DS; Picloram + 2,4-D amine |
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Herbicide: 2,4-D ester (Group I) (various trade names: see APVMA link) | |
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Active ingredient |
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Rate of dilution for spot spraying | 1:330 |
Rate of product/10L |
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Rate of product/ha |
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Time of application |
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Remarks |
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Herbicide: 2,4-D amine (Group I) (various trade names: see APVMA link) | |
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Active ingredient |
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Rates of dilution for spot spraying |
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Rate of product/10L |
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Rate of product/ha |
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Time of application | Summer as early as possible before flowering |
Remarks | Frequent inspections required after summer rain as new germinations occur.
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Herbicide: Glyphosate (Group M) (various trade names: see APVMA link) | |
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Active ingredient |
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Rate of product/10L |
Other concentrations of glyphosate available: adjust rates accordingly |
Time of application | When actively growing |
Remarks and other control methods |
A mixture with 2,4-D ester @ 10mL/10L increases effectiveness |
Herbicide: Picloram + triclopyr (Group I) (various trade names: see APVMA link) | |
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Active ingredient | 100g/L picloram + 300g/L triclopyr |
Rates of dilution for spot spraying | 1:200 |
Rate of product/10L | 50mL |
Rate of product/ha | Not recommended |
Remarks and other control methods |
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Herbicide: Picloram + 2,4-D amine (Group I) (various trade names: see APVMA link) | |
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Active ingredient | 75g/L picloram + 300g/L 2,4-D |
Rate of dilution for spot spraying | 1:200 |
Rate of product/10L water | 50mL |
Rate of product/ha | Not recommended |
Time of application | When actively growing |
Remarks and more information | Application to moist soil or followed by rain more effective. Spot treatment only. Same as for above treatments. Ideal around troughs and yards. Another product - Tordon granules - is also suitable for this treatment. Rate of application is 4g/m². |