Information about this pest can be found on the Sagittaria: 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.
Recommended herbicides |
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Herbicide: Metsulfuron methyl (Group B) (various trade names: see APVMA link) | |
Active ingredient | 600g/kg metsulfuron methyl |
Amount of product/10L water | 1g |
Wetting agent distribution | 10mL Synertrol® surfactant |
Time of application |
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More information |
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Herbicide: Glyphosate (Group M) (various trade names: see APVMA link) | |
Active ingredient | 360g/L as isopropylamine and mono-ammonium salts. Only products registered for aquatic use. |
Amount of product/10L water | 130–250mL |
Wetting agent dilution | No wetting agent required |
Time of application | Apply up to three times a year. Apply as a spot treatment to the weeds by spray or wiper technique. |
Remarks | Registered for Sagittaria graminea in specific areas in Victoria and New South Wales under a minor use permit from APVMA |
More information | Do not treat submerged weeds |