Brazilian nightshade (Solanum seaforthianum)

Brazilian nightshade is a sprawling shrub or creeper. It is an occasional garden escape.

Profile

How does this weed affect you?

Brazilian nightshade is a weed of forests, bushland and riparian areas and roadsides.

What does it look like?

Brazilian nightshade is a sprawling shrub or creeper. Its leaves are deeply lobed, almost leaflets. Its flowers are mauve-blue and berries mature to bright red.

References

Richardson F.J.,Richardson R.G. and Shepherd R.C.H (2006).Weeds of the south-east an identification guide for Australia. R.G. and F.J. Richardson, Melbourne.

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 11916 Expires 31/03/2020
Glyphosate 360 g/L (Roundup®)
Rate: 1 part product to 100 parts water plus surfactant
Comments: Urban bushland, forests and coastal reserves.
Withholding period: Nil.
Herbicide group: M, Inhibitors of EPSP synthase
Resistance risk: Moderate

PERMIT 12942 Expires 30/06/2022
Glyphosate 360 g/L with Metsulfuron-methyl 600 g/kg (Various products)
Rate: 2 L + 10 g per 100 L of water plus wetter
Comments: Riparian areas
Withholding period: Nil.
Herbicide group: M, Inhibitors of EPSP synthase
Resistance risk: Moderate

PERMIT 12942 Expires 30/06/2022
Picloram 100 g/L + Triclopyr 300 g/L + Aminopyralid 8 g/L (Grazon Extra®)
Rate: 300-500 mL per 100 L water
Comments: Urban bushlands, pastures, rights of way, forests
Withholding period: Where product is used to control woody weeds in pastures there is a restriction of 12 weeks for use of treated pastures for making hay and silage; using hay or other plant material for compost, mulch or mushroom substrate; or using animal waste from animals grazing on treated pastures for compost, mulching, or spreading on pasture/crops.
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate

PERMIT 12942 Expires 30/06/2022
Triclopyr 300 g/L + Picloram 100 g/L with Metsulfuron-methyl 600 g/kg (Various products)
Rate: 300-500 mL per 100 L water plus 10 g metsulfuron-methyl per 100 L water
Comments: Urban bushland, pastures, rights of way, forests
Withholding period: Nil.
Herbicide group: I, Disruptors of plant cell growth (synthetic auxins)
Resistance risk: Moderate

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.

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

Reviewed 2018