| REPORT THE PRESENCE OF THIS PEST BEFORE UNDERTAKING CONTROL |
Information about this pest can be found on the kochia: declared pest page.
Login or set up a new account on DPIRDs online training site to access:
- a training course on how to identify kochia and report it.
- training material that you can use to teach community groups how to identify kochia.
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 declared plant control handbook.
Recommended herbicides | Small seedlings
|
|---|
| Herbicide: Glyphosate + Diuron + 2,4-D ester | |
| Active ingredient | 360g/L glyphosate (Group M) |
| Amount of product/10L water | 7.5mL glyphosate |
|---|---|
| Rate of product/ha | 0.75L glyphosate |
| Wetting agent dilution | Under hot conditions add 1% crop oil |
| Time of application | Spring to summer, seedlings to adult plants |
| Remarks |
|
| More information and control methods | Other formulations of glyphosate are available for example, 450, 490, 500, 540g/L, and 680 and 840g/kg |
| Herbicide: 2,4-Damine(Group I) (various trade names: see APVMA link) | |
| Active ingredient |
|
| Rate of dilution for spot spraying |
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| Amount of product/10L water |
|
| Rate of product/ha |
|
| Wetting agent dilution | 1:400 |
| Time of application | Spring to summer, seedlings to adult plants |
| Remarks | Saltbushes will be killed |
| Herbicide: Diquat + paraquat (Group L) (various trade names: see APVMA link) | |
| Active ingredient | 135g/L paraquat + 115g/L diquat |
| Rate of dilution for spot spraying | 1:500 |
| Amount of product/10L water | 10–20mL |
| Rate of product/ha | 1–2L |
| Wetting agent dilution | 1:400 |
| Time of application | Small seedlings |
| Remarks | Higher rates 3–5L needed for larger bushes and to treat flowering bushes to prevent seed formation |
| Herbicide: Bladex® (Group C) | |
| Active ingredient | 500g/L cyanazine |
| Rate of dilution for spot spraying | 10mL |
| Amount of product/10L water | 1L |
| Rate of product/ha | 1L |
| Wetting agent dilution | 1:400 |
| Time of application | Small seedlings |
| Remarks |
|
| Herbicide: Chlorsulfuron (Group B) (various trade names: see APVMA link) | |
| Active ingredient | 750g/kg chlorsulfuron |
| Rate of dilution for spot spraying | 1g/50L |
| Amount of product/10L water | 0.2g |
| Rate of product/ha | 20g |
| Wetting agent dilution | 1:400 |
| Time of application | Small seedlings |
| Herbicide: Bromoxynil (Group C) (various trade names: see APVMA (various trade names: see APVMA link) link) | |
| Active ingredient | 200g/L bromoxynil |
| Rate of dilution for spot spraying | 1:2000 |
| Amount of product/10L water | 5mL |
| Rate of product/ha | 0.5L |
| Wetting agent dilution | 1:400 |
| Time of application | Small seedlings |
| Herbicide: Glyphosate (Group M) (various trade names: see APVMA link) | |
| Active ingredient | 360g/L glyphosate |
| Rate of dilution for spot spraying | 1:2000 |
| Amount of product/10L water | 5mL |
| Rate of product/ha | 0.5L |
| Wetting agent dilution | Small seedlings |
| Time of application |
|
| Herbicide: Diuron (Group C) (various trade names: see APVMA links) | |
| Active ingredient |
|
| Amount of product/10L water |
|
| Rate of product/ha |
|
| Wetting agent dilution | 1:400 |
| Time of application | Small seedlings |