Khaki weed
Alternanthera pungens
Weed profile
Perennial
Herb
Contaminates produce
Injures animals- Habitat: pastures
Impact
Invades pastures. Spiny seeds.
Description
- Summer growing perennial herb with a deep tap root system.
- Stems prostrate, hairy.
- Leaves broad ovate in opposite pairs.
- Round clusters of tiny flowers along upper stem.
- Pale sharp-tipped bracts form a burr around seeds.
Control options
glyphosate (450g/L)
Application Method: Cut stump
Application Rate: 1L/1L
Product Name: Roundup CT®
Herbicide Group: 9
Situation: Non-crop situations.
Timing: Cut stump, before burrs mature
Comments: Cut plants off at the crown of the roots and apply immediately to the fresh cut on the roots. Weed wand or paint brush application is useful
Legal Status: PER 13371 (exp. 2027)
dicamba (500g/L)
Application Method: Spot spray
Application Rate: 9mL/15L
Product Name: Kamba 500®
Herbicide Group: 4
Situation: Non-crop situations.
Timing: Spot spray, before flowering
Comments: Hormone type herbicide - use with caution near sensitive crops.
Legal Status: Product and use are registered, but this weed is on the label for WA only.
glyphosate (450g/L)
Application Method: Spot spray
Application Rate: 1L/100L
Product Name: Roundup CT®
Herbicide Group: 9
Situation: Non-crop situations.
Timing: Spot spray, before burrs mature
Comments:
Won’t kill the root system, ongoing treatment required.
Non selective, avoid contact with desirable plants.
Legal Status: PER 13371 (exp. 2027)
2,4-D amine (300g/L) + picloram (75g/L)
Application Method: Spot spray
Application Rate: 600mL/100L
Product Name: Kojak 75D®
Herbicide Group: 4
Situation: Non-crop situations.
Timing: Spot spray, summer
Comments: Treat plants in full leaf. Hormone type herbicide - use with caution near sensitive crops.
Legal Status: Registered
Manual removal
Situation: Any
Timing: When found.
Comments: Grub individual plants. Ensure the complete removal of the tuber and tap root. Dig beside the root 100 mm down or more. Destroy any burrs found.
Legal requirements in each region
Land owners in this region to eliminate the plant from their property. Enforceable by the Alinytjara Wiluṟara Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Alinytjara Wiluṟara Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Eyre Peninsula Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Eyre Peninsula Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Green Adelaide Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Green Adelaide Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Hills and Fleurieu Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Hills and Fleurieu Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Kangaroo Island Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Kangaroo Island Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Limestone Coast Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Limestone Coast Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Murraylands and Riverland Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
land owners in this region must notify the Murraylands and Riverland Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the Northern and Yorke Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
land owners in this region must notify the Northern and Yorke Landscape Board of any infestation of the plant found on their land.
Land owners in this region to eliminate the plant from their property. Enforceable by the South Australian Arid Lands Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
land owners in this region must notify the South Australian Arid Lands Landscape Board of any infestation of the plant found on their land.
More Information
Find out how to:
- benefit from the early intervention of new and emerging weeds - handbook
- best manage your use and storage of agricultural and veterinary chemicals.
Control advice
For further help and advice managing this weed contact your regional landscape board: