| REPORT THE PRESENCE OF THIS PEST BEFORE UNDERTAKING CONTROL |
Information about this pest can be found on the common sensitive plant: declared pest page.
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.
Chemical control options
Chemical control options can be found below. For other methods of control please refer to the aquatic weed control page, and the declared plant control handbook.
Recommended herbicides |
|
| Herbicide: Dicamba (Group I) (various trade names: see APVMA link) | |
| Active ingredient | 500g/L dicamba |
| Amount of product/10L water | 40mL |
| Rate of product/ha | 2-2.4L |
| Time of application | Actively growing young plants |
| Remarks | Thoroughly wet foliage. Do not disturb plants before spraying as leaves will fold up reducing surface exposed to the spray. |
| More information and other control methods |
|
| Herbicide: Fluroxypyr (Group I) | |
| Active ingredient | 200g/L fluroxypyr |
| Amount of product/10L water | 50mL |
| Rate of product/ha | 1.5L |
| Wetting agent dilution | 1:400 |
| Time of application | Actively growing |
| Remarks | Leaves will close up if touched so always avoid contact with plant when spraying. Formulations containing 333g/L and 400g/L available. |
| Herbicide: Triclopyr + picloram (Group I) (various trade names: see APVMA link) | |
| Active ingredient | 300g/L triclopyr + 100g/L picloram |
| Amount of product/10L water | 20mL |
| Wetting agent | Use 100% non-ionic wetting agent such as BS-1000 @ 100mL/100L water |
| Time of application | Any time when actively growing |
| Remarks | Try to avoid causing leaves to close before spraying. A variation to this product is now available. Grazon™ Extra as well as containing picloram + triclopyr, has a new herbicide aminopyralid which is claimed to give it more activity. This is registered for use on sensitive plant in WA. Use at same rate as above product. |