Buffalo burr (Solanum rostratum)

Profile

Impact

Buffalo burr is a native from Canada to central Mexico and was first recorded as a weed in Australia in 1904. It invades disturbed areas and overgrazed land and may injure stock, causes fault in wool and can be a problem in cereal crops. Seed is mostly spread as a contaminant of grain crops. The prickly calyx which grasps the fruit can stick to wool and bags and can float on water. The old plants can snap off and blow around as tumble-weeds. The plant is poisonous, however is seldom eaten because of its prickly nature.

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Control

Herbicide options

WARNING - ALWAYS READ THE LABEL
Users of agricultural or veterinary chemical products must always read the label and any permit, before using the product, and strictly comply with the directions on the label and the conditions of any permit. Users are not absolved from compliance with the directions on the label or the conditions of the permit by reason of any statement made or not made in this information. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website www.apvma.gov.au

See Using herbicides for more information.


2,4-D LV ester 680g/L (Estercide® Xtra)
Rate: 800 ml - 1.15 L / Ha
Comments: Use in grass pastures only. Seedling to pre-flowering. Use higher rate as plants mature.
Withholding period: 7 days
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate


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Legal requirements

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015, the Biosecurity Regulation 2016, the Biosecurity Control Orders (published in the NSW Government Gazette) and the Regional Strategic Weed Management Plans (published on Local Land Services websites), detailing the state and regional priority weeds in New South Wales, Australia.

Area Class Legal requirements
Bland 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Cabonne 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Central Murray County Council 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Coolamon 3 Regionally Controlled Weed
The plant must be fully and continuously suppressed and destroyed
Cootamundra-Gundagai 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread only in the area formerly known as Cootamundra Shire Council
Cowra 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Federation 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread only in the area formerly known as Corowa Shire Council
Forbes 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Junee 3 Regionally Controlled Weed
The plant must be fully and continuously suppressed and destroyed
Lockhart 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Parkes 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread
Temora 3 Regionally Controlled Weed
The plant must be fully and continuously suppressed and destroyed
Wagga Wagga 4 Locally Controlled Weed
The growth of the plant must be managed in a manner that continuously inhibits the ability of the plant to spread

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For technical advice and assistance with identification please contact your local council weeds officer.
For further information call the NSW Invasive Plants and Animals Enquiry Line on 1800 680 244 or send an email to weeds@dpi.nsw.gov.au

Reviewed 2016