Senegal tea control

Page last updated: Wednesday, 31 August 2016 - 10:25am

Please note: This content may be out of date and is currently under review.

Control methods for Senegal tea (Gymnocoronis spilanthoides) a declared pest in Western Australia.

Report the presence of this pest before undertaking control

Information about this pest can be found on the Senegal tea: 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.

Chemical control options

Recommended herbicides

Actively growing:

  • Glyphosate

Herbicide: Glyphosate (Group M) (various trade names: see APVMA link)

Active ingredient

360, 450 and 500g/L; 680 and 840g/kg glyphosate

Rates of dilution for spot spraying

1:100 for 360g/L

Amount of product/10L water

  • 100mL for 360g/L
  • 80mL for 450g/L
  • 75mL for 500-540g/L
  • 55g for 680g/kg concentration

Adjust rates for other concentrations of glyphosate

Time of application

Actively growing


Do not spray non-target species

More information and other control methods

  • Avoid spraying into background aquatic environments
  • Avoid spraying when evaporation rates are high
  • Metsulfuron @ 5-10g/100L water is registered as minor use permit held by the New South Wales Department of Primary Industries, expires 30 June 2019

Contact information

Pest and Disease Information Service (PaDIS)
+61 (0)8 9368 3080