Three corner jack control option
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Example of product names
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Herbicide group
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Application rate (with water unless indicated)
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Situation
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Timing
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Comments
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Legal status
Annual
Herb
Toxic to livestock
Control options
chemical control
metsulfuron-methyl (600g/kg)
When: Boom spray, post emergence
Where: Wheat, barley, triticale and cereal rye crops.
chemical control
terbutryn 275g/L + MCPA (160g/L)
When: Boom spray, at 2-6 leaf weed stage, 3-5 leaf crop stage.
Where: Wheat, barley, and some oat cultivars only
chemical control
glyphosate (450g/L)
When: Boom spray, rosettes less than 8 cm diameter
Where: Pre-sowing.
chemical control
metsulfuron-methyl (600g/kg)
When: Boom spray, up to 6 leaf weed stage.
Where: Grass pastures
chemical control
glyphosate (450g/L)
When: Boom spray, rosettes more than 8 cm diameter
Where: Pre-sowing.
Legal requirements in each region
To find out which landscape region you're in visit the NatureMaps website.
Alinytjara Wiluṟara
Alinytjara Wiluṟara
Control
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Alinytjara Wiluṟara Landscape Board.
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Eyre Peninsula
Eyre Peninsula
Control
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Eyre Peninsula Landscape Board.
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Green Adelaide
Green Adelaide
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Hills and Fleurieu
Hills and Fleurieu
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Kangaroo Island
Kangaroo Island
Control
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Kangaroo Island Landscape Board.
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Limestone Coast
Limestone Coast
Control
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Limestone Coast Landscape Board.
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Murraylands and Riverland
Murraylands and Riverland
Control
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Murraylands and Riverland Landscape Board.
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
Entry
Must not be imported into the region.
Northern and Yorke
Northern and Yorke
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
South Australian Arid Lands
South Australian Arid Lands
Sale
Must not be sold or traded in any way, including as a contaminant of anything.
Movement
Must not be transported on a public road, including as a contaminant of anything.
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: