Mimosa bush (Vachellia farnesiana)

Profile

Impact

It has invaded grasslands in the north-east of NSW and is a major weed in some local areas. 

Description

Mimosa bush is a sparsley-leaved shrub 1-4 m high. Leaves are feathery leaflets 4-9mm long. Flowers are bright yellow and pods are black, woody, curved, 5-7 cm long. 

This plant is different from Mimosa pigra, which is a bigger tree growing in northern Australia. 

References

Cunningham G.M., Mulham W.E., Milthorpe P.L. and Leigh J.H. ( 1992). Plants of western New South Wales. (Inkata Press, Melbourne).

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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.


PERMIT 14929 Expires 30/10/2019
Clopyralid 300 g/L (Lontrel®)
Rate: 500mL in 100 L of water
Comments: High volume foliar application. Apply to actively growing plants in full leaf. Add a surfactant.
Withholding period: 1-12 weeks (see label).
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate


PERMIT 13891 Expires 31/03/2023
Tebuthiuron 200 g/kg (Graslan®)
Rate: 2 g per square metre
Comments: Read and follow permit and label instructions thoroughly
Withholding period: Nil.
Herbicide group: C, Inhibitors of photosynthesis at photosystem II (PS II inhibitors)
Resistance risk: Moderate


Fluroxypyr 333 g/L (Starane™ Advanced)
Rate: 1 L in 55 L of Diesel
Comments: Basal bark application
Withholding period: 7 days.
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate


Triclopyr 240 g/L + Picloram 120 g/L (Access™ )
Rate: 1.0 L per 60 L of diesel
Comments: Cut stump/basal bark application.
Withholding period: Nil
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate


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Biosecurity duty

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.

Area Duty
All of NSW General Biosecurity Duty
All plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable.

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Reviewed 2015