REPORT THE PRESENCE OF THIS PEST BEFORE UNDERTAKING CONTROL |
Information about this pest can be found on the nodding thistle: declared pest page.
Login or set up a new account on DPIRD's online training site to access:
- a training course on how to identify nodding thistle and report it.
- training material that you can use to teach community groups how to identify nodding thistle.
Chemical requirements
When using any agricultural chemicals please ensure that you always follow the instructions on the label and any permit requirements. 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.
Chemical control options
Chemical control options can be found below. For other methods of control please refer to the declared plant control handbook.
Recommended herbicides |
|
Clopyralid (Group I) (various trade names: see APVMA link) | |
Active ingredient | 750g/kg clopyralid |
Rate of product/ha | 20g + MCPA amine (500) @ 1L or 0.7L MCPA low volatile ester (LVE) for application in cereal crops |
Time of application | Rosettes up to a maximum of 10cm diameter – cereal crop four leaves to first node |
Wetting agent | Uptake spraying oil or BS-1000 at recommended rates |
More information | For application to pasture apply 40g/ha and apply to rosettes up to a maximum of 20cm diameter |
Other control measures | Spot treatment using 100g/100L of water |
Clopyralid (Group I) + MCPA (Group I) (various trade names: see APVMA link) | |
Active ingredient | 300g/kg Clopyralid + 500g/L MCPA amine or ester |
Rate of product/ha | 50mL + MCPA amine (500) @ 1L or 0.7L MCPA LVE for application in cereal crops |
Time of application | Rosettes up to a maximum of 10cm diameter – cereal crop four leaves to first node |
Wetting agent | Uptake spraying oil or BS-1000 at recommended rates |
More information | For application to pasture apply in a water volume of 100L/ha and apply to rosettes up to a maximum of 20cm diameter |
Other control measures | Spot treatment using 250mL/100L of water |