Apple of Sodom control

Page last updated: Monday, 9 September 2019 - 11:05am

Control methods for apple of Sodom (Solanum linnaeanum) a declared pest in Western Australia.

Information about this pest can be found on the apple of Sodom: declared pest page.

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Chemical requirements

When using any agricultural chemicals please ensure that you always follow instructions on the label and any permit. Users of agricultural chemical products must always strictly comply with the directions on the label and the conditions of any permit. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website.

Chemical control options

Chemical control options can be found below. For other methods of control please refer to the declared plant control handbook.

Recommended herbicides

  • Amitrole T®
  • Triclopyr
  • Glyphosate
  • Picloram + 2,4-D amine

Herbicide: Amitrole T® (Group F)

Active ingredient

250g/L amitrole + 220g/L ammonium thiocyanate

Rate of product

1:100

Rate of product/10L water

100mL
Rate of Product/ha Not recommended

Wetting agent

1:600
Time of application Almost any time of year — spring and summer preferred

Remarks

  • Mature plants killed by single treatment but follow-up needed when new seedlings emerge
  • Grub and burn large plants: remove roots also
  • Control of seedlings may be necessary for several years
  • Brush off® (metsulfuron) @ 10-20g/100L effective in trials

Herbicide: Triclopyr (Group I) (various trade names: see APVMA link)

Active ingredient

  1. 600g/L triclopyr
  2. 755g/L triclopyr available

Rate of product/10L water

  1. 30mL
  2. 24mL

Rate of dilution for spot spraying

1:300

Time of application

When actively growing (spring - summer)
Wetting agent 1:400 + summer spraying oil @ 1:400 may be used

Remarks

  • Grub and burn large plants: also remove roots
  • Control of seedlings may be necessary for several years
  • Brush off® (metsulfuron) @ 10-20g/100L effective in trials

Herbicide: Glyphosate (Group M) (various trade names: see APVMA link)

Active ingredient

360, 490/500 and 540g/L, and 680g/kg glyphosate
Rates of dilution for spot spraying 1:100 for 360g/L formulation

Rate of product/10L water

  • 100mL for 360g/L formulation
  • 70mL for 490/500g/L formulation
  • 65mL for 540g/L formulation
  • 50g for 680g/kg formulation

Other concentrations of glyphosate available. Adjust rates if using them.

Rate of product/ha

Not recommended

Time of application

When actively growing spring, summer

Remarks

  • Not as effective as other treatments
  • Addition of the wetting agent/penetrant Pulse® @ 1:500 may increase the effectiveness

Herbicide: Picloram + 2,4-D amine (Group I) (various trade names: see APVMA link)

Active ingredient

75g/L picloram + 300g/L 2,4-D

Rate of dilution for spot spraying

1:300 - 1:150

Rate of product/10L water

30mL - 65mL

Wetting agent
dilution

1:400
Time of application Flowering to early fruiting

Remarks

Residual effects of picloram will persist for one to two seasons, depending on rates, affecting legumes but not grasses

Contact information

Pest and Disease Information Service (PaDIS)
+61 (0)8 9368 3080