Giant sensitive plant control

Page last updated: Saturday, 28 September 2019 - 12:28pm

Please note: This content may be out of date and is currently under review.

Control methods for giant sensitive plant (Mimosa diplotricha) a declared pest in Western Australia.

Giant sensitive plant Mimosa diplotricha DAFWA.jpg

REPORT THE PRESENCE OF THIS PEST BEFORE UNDERTAKING CONTROL

Information about this pest can be found on the giant sensitive plant: declared pest page.

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 aquatic weed control page, and the declared plant control handbook.

Recommended herbicides

Glufosinate ammonium
Fluroxypyr
Dicamba
Tryclopyr + picloram

Herbicide: Basta® (Group N)
Active ingredient	200g/L glufosinate ammonium
Amount of product/10L water	20-50mL
Rate of product/ha	2-5L
Wetting agent dilution	1:400
Time of application	Apply when actively growing
Remarks	Cover all foliage thoroughly Registered for M. invisa (common sensitive plant only)
More information and other control methods	Follow-up treatment usually required Dicamba @ 20mL/10L; also effective on M. pudica

Herbicide: Fluroxypyr (Group I)
Active ingredient	200g/L fluroxypyr
Rates of dilution for spot spraying	0.15L/100L water
Amount of product/10L water	50mL for common sensitive (M. pudica) 30mL for giant sensitive plant
Rate of product/ha	1.3-1.5L
Wetting agent dilution	1:400 non-ionic wetting agent or Uptake® spraying oil
Time of application	Actively growing before flowering
Remarks	Will kill legumes
More information and other control methods	Aerial application of 3L/ha for M. pigra Also Grazon® DS is registered for sensitive plant Also formulations containing 333 and 400g/L available

Herbicide: Cadence (Group I)
Active ingredient	700g/kg dicamba
Amount of product/10L water	30g
Rate of product/ha	1.430kg -1.7kg/ha registered in Northern Territory for Mimosa pigra
Time of application	Actively growing plants, preferably during the wet season. Retreatment may be necessary to control new germination of seedlings.
More information and other control methods	High volume — thoroughly wet all leaves and stems. Basal bark — spray all around base and 25–40cm up the stem. Only apply plants <5cm basal diameter. Cut stump — apply to plants up to 10cm basal diameter. Cut trees as close to ground as possible and spray immediately before sap dries. 2.4L/ha of 500g/L formulation also registered in Northern Territory.

Herbicide: Triclopyr + picloram (Group I) (various trade names: see APVMA link)
Active ingredient	300g/L tryclopyr + 100g/L picloram
Amount of product/10L water	20mL
Wetting agent	Use 100% non-ionic wetting agent such as BS-1000
More information and other control methods	Try to avoid causing leaves to fold up before spraying

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Contact information

Pest and Disease Information Service (PaDIS)

+61 (0)8 9368 3080

Email Pest and Disease Information Service (PaDIS)