Report the presence of this pest before undertaking control
Information about this pest can be found on the pond apple: 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.
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.
Chemical control options
| Recommended herbicides | Basal bark:
Stem injection:
|
|---|
| Herbicide: Access Herbicide (Group I) | |
|---|---|
| Active ingredient | 120g/L picloram + 240g/L triclopyr |
| Rate of dilution for spot spraying | 1:60 distillate |
| Rate of product/10L distillate | 170mL |
| More information | Basal bark application |
| Other control measures | Do not apply to trees growing in water. Treat stems up to 20cm basal diameter. Ensure all stems on a multi-stemmed plants are treated. Treat from ground level to a minimum height of 50cm and apply to soak the bark of the stems. Do not treat wet bark. |
| Herbicide: Fluroxypyr (Group I) (various trade names: see APVMA site) | |
|---|---|
| Active ingredient | 200g/L fluroxypyr |
| Rate of dilution for spot spraying | 1:66 distillate |
| Rate of product/10L distillate | 150mL |
| More information | Basal bark application |
| Other control measures | Do not apply to trees growing in water. Treat stems up to 20cm basal diameter. Ensure all stems on multi-stemmed plants are treated. Treat from ground level to a minimum height of 50cm and apply to soak the bark of the stems. Do not treat wet bark. Formulations containing 333 and 400g/L are also available. |
| Herbicide: Roundup Biactive (Group M) | |
|---|---|
| Active ingredient | 360g/L glyphosate |
| Rate of dilution | 1:2 (500mL glyphosate/1L water) |
| More information | Make cuts in bark at waist height. Use axe with 5-7cm blade to make cut into bark through to sap wood. Immediately inject 1mL of mixture into cut. Tree injector kits are commercially available. Alternatively any device that can accurately measure 1mL/cut. Space cuts at 13cm centres around the stem. |
| Other control measures |
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