Noogoora burrs
Xanthium strumarium
Weed profile
Annual
Herb
Contaminates produce- Habitat: pastures, wetlands
Impact
Competes with pasture and riparian vegetation. Burrs contaminate wool.
Description
- Summer-growing erect annual to 2 m tall.
- Leaves shallowly 3-lobed, to 15 cm wide, rough-textured.
- Flowers inconspicuous, green.
- Burrs covered in small hooked spines, with two beaks at the tip.
Control options
MCPA (750g/L)
Application Method: Boom spray
Application Rate: 1.35L/ha
Product Name: Agritone 750®
Herbicide Group: 4
Situation: Cereal crops and grass pastures.
Timing: Boom spray, young seedlings.
Comments: Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label.
Legal Status: Registered
glyphosate (360g/L)
Application Method: Boom spray
Application Rate: 2-3L/ha
Product Name: Roundup Biactive®
Herbicide Group: 9
Situation: Non-crop situations, fallows or pre-planting.
Timing: Boom spray, while actively growing, before flower and burr formation.
Comments: Suitable for use near waterways - refer to label. Non selective, avoid contact with desirable plants.
Legal Status: Product and use are registered, but this weed is on the label for NSW and Qld only.
2,4-D amine (625g/L)
Application Method: Spot spray
Application Rate: 10mL/10L
Product Name: Conquest Amine 625®
Herbicide Group: 4
Situation: Grass pastures and non-cropping areas.
Timing: Spot spray, seedlings
Comments: Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label. Spray seedlings only.
Legal Status: Product and use are registered, but this weed is on the label for NSW, ACT and Qld only.
metsulfuron-methyl (600g/kg)
Application Method: Spot spray
Application Rate: 7.5g/100L
Product Name: Brush-Off®
Herbicide Group: 2
Situation: Grass pastures and non-cropping areas.
Timing: Spot spray, while actively growing, before flower and burr formation.
Comments: Seedlings or before early flowering. Use higher rate when plants are beyond early flowering or add glyphosate. Soil active herbicide, may damage desirable vegetation.
Legal Status: Product and use are registered, but this weed is on the label for NSW only.
2,4-D amine (625g/L)
Application Method: Boom spray
Application Rate: 800mL-1.1L/ha
Product Name: Conquest Amine 625®
Herbicide Group: 4
Situation: Non-cropping areas.
Timing: Boom spray, seedlings
Comments: Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label. Non-agricultural areas.
Legal Status: Product and use are registered, but this weed is on the label for NSW, ACT and Qld only.
glyphosate (450g/L)
Application Method: Boom spray
Application Rate: 1.2-1.6L/ha
Product Name: Roundup CT®
Herbicide Group: 9
Situation: Fallows or pre-planting.
Timing: Boom spray, while actively growing, before flower and burr formation.
Comments: Non selective, avoid contact with desirable plants.
Legal Status: Product and use are registered, but this weed is on the label for NSW and Qld only.
glyphosate (450g/L) + 2,4-D amine (475g/L)
Application Method: Boom spray
Application Rate: 400mL-1.2L/ha + 1.1-1.7L/ha
Product Name: Roundup CT® + Titan Amine 475®
Herbicide Group: 9, 4
Situation: Grass pastures and non-cropping areas.
Timing: Boom spray, while actively growing, before flower and burr formation.
Comments: Non selective, avoid contact with desirable plants. Soil active herbicide, may damage desirable vegetation. Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label.
Legal Status: Products and use are registered, but this weed is on the label for NSW and Qld only.
glyphosate (360g/L)
Application Method: Spot Spray
Application Rate: 500-700mL/100L
Product Name: Roundup Biactive®
Herbicide Group: 9
Situation: Non-crop situations.
Timing: Spot Spray, while actively growing, before flower and burr formation.
Comments: Suitable for use near waterways - refer to label. Non selective, avoid contact with desirable plants.
Legal Status: Product and use are registered, but this weed is on the label for NSW and Qld only.
MCPA (340g/L) + dicamba (80g/L)
Application Method: Spot spray
Application Rate: 190-270mL/100L
Product Name: Kamba M®
Herbicide Group: 4
Situation: Grass pastures.
Timing: Spot spray, while actively growing, before flower and burr formation.
Comments: Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label. Grass pastures. Use higher rate on late flowering or larger plants.
Legal Status: Registered
MCPA (340g/L) + dicamba (80g/L)
Application Method: Boom spray
Application Rate: 2.8-4L/ha
Product Name: Kamba M®
Herbicide Group: 4
Situation: Grass pastures.
Timing: Boom spray, while actively growing, before flower and burr formation.
Comments: Hormone type herbicide - use with caution near sensitive crops. Refer to drift warnings on the label. Grass pastures. Use higher rates on larger plants or plants in late flower.
Legal Status: Registered
Legal requirements in each region
Land owners in this region to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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 to take reasonable steps to kill plants and prevent their spread. 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: