Disclaimer
These herbicide recommendations are made subject to the product being registered for that purpose under relevant legislation. It is the user's responsibility to check that registration or an off-label permit covers the proposed use.
Always read the herbicide label. If in doubt, visit the Australian Pesticides and Veterinary Medicines Authority (APVMA) website at
www.apvma.gov.au.
Only herbicides registered for use in pasture and / or non-cropping situations are listed in the following table. For recommendations in specific crops consult an agronomist.
Care must be taken in using herbicides as non-target plants contacted may be harmed.
Wetting agents
Carefully consult the product label for specific directions regarding the use of wetting agents or adjuvants.
Waterways and wetlands
Be careful! Many herbicides can cause damage to waterways and wetlands. Check the herbicide label directions carefully before use near waterways and wetlands. For more information see
Guidelines for Safe and Effective Herbicide Use Near Waterways.
Herbicide brands and concentrations
Herbicides are referred to by the active chemical ingredient in the following table. The product trade names in this publication are supplied on the understanding that no preference between equivalent products is intended and that the inclusion of a product does not imply endorsement by DPIPWE over any other equivalent product from another manufacturer.
Information on available brands containing the herbicide you require should be obtained from a reputable herbicide supplier or the APVMA website at
www.apvma.gov.au.
There may be a number of products with the same active ingredient but with alternate formulations (concentration) registered for control of a weed eg: Glyphosate 360 g/L, Glyphosate 450 g/L may be registered for use on the same weed. Alternate formulations such as these will have a different application rate.
Always check the label. Agricultural non-crop, commercial and / or industrial areas
Stage of weed growth | Herbicide (active ingredient & concentration) | Example of commercial product | Application rate of commercial product | Withholding period | Comments |
Late rosette to pre-flowering | 2,4-D ester (600 g/L) | LV Estericide® 600 | Per ha 1.9-2.4 L/ha | 7 days | Clover must be well covered by the grass or extensive damage may result.
This product may only be used from 15 May to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE.
Thorough wetting of weed is essential. |
| | | Knapsack spot spray 19-24 ml per 10 L water per 100m2 | | |
Late rosette to flowering stage (late July to September) | Glyphosate (360 g/L) | Weedmaster® Duo | High vol. spray 500ml/100 L | | Note: Glyphosate is a non-selective herbicide. Boom spray apply only where full soil disturbance is intended to follow e.g. prior to re-sowing pasture.
Plants should be actively growing and not under stress of drought, frost or waterlogging.
Addition of a surfactant in accordance with label is recommended. |
| | | Knapsack 5 ml/L i.e 75 ml/15 L | | |
| Glyphosate (360 g/L) | Roundup Biactive® | Wiper application
1 L with 2 L clean water | 7 days | Note: Glyphosate is a non-selective herbicide. Non-target plants wiped may be killed.
Wiper application may be used where sufficient stem elongation occurs. Plants should be actively growing and not under stress of drought, frost or waterlogging.
Adhere to instructions on product label. |
Immediately prior to flowering | Amitrole (250 g/L) + Ammonium thiocyanate (220 g/L) | Amitrole T Weedeath | 1.1 L in 100L water | Do not graze | Apply when weeds are actively growing. |
| | | Knapsack 165 ml/15L | | |
Pasture containing legume
Stage of weed growth | Herbicide (active ingredient & concentration) | Example of commercial product | Application rate of commercial product | Withholding period | Comments |
Late rosette to pre-flowering | 2,4-D ester (600 g/L) | LV Estericide® 600 | Per ha 460-900 ml/ha | 7 days | Clover must be well covered by the grass or extensive damage may result.
This product may only be used from 15 May to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE.
Thorough wetting of weed is essential. |
| | | Knapsack spot spray 19-24 ml per 10 L water per 100m2 | | |
Non-legume pasture
Stage of weed growth | Herbicide (active ingredient & concentration) | Example of commercial product | Application rate of commercial product | Withholding period | Comments |
Late rosette to pre-flowering | 2,4-D ester (600 g/L) | LV Estericide® 600 | Per ha 1.9-2.4 L/ha | 7 days | This product may only be used from 15 May to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE.
Thorough wetting of weed is essential. |
| | | Knapsack spot spray 19-24 ml per 10 L water per 100m2 | | |
| 2,4-D amine (625 g/L) | Ken-Amine 625 Amicide® 625 | Per ha 1.4-1.7 L/ha | 7 days | This product may only be used from 15 May to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE. |
| Glyphosate (360 g/L) | Roundup Biactive® | Wiper application 1 L with 2 L clean water | | Note: Glyphosate is a non-selective herbicide. Non-target plants wiped may be killed.
Wiper application may be used where sufficient stem elongation occurs.
Plants should be actively growing and not under stress of drought, frost or waterlogging.
Adhere to instructions on product label. |
| Dicamba (500 g/L) + 2,4-D Amine (625 g/L) | Kamba 500 Plus Amicide® 625 | Per ha 280 ml/ha + 640 ml/ha | 7 days | When applying by boom spray use 110 to 280 litres of mixture per hectare.
Addition of a surfactant in accordance with label is recommended. |
| | | High vol. spray 20 ml + 50 ml/100 L water | | |
| | | knapsack 6 ml + 12 ml/15 L | | |
Immediately prior to flowering | MCPA (250 g/L) | MCPA 250 Selective Herbicide | Per ha 8.5 L | 7 days | Do not use in situations where damage to susceptible crops may occur. Do not contaminate streams, rivers or waterways with the chemical or used container. |
| | | knapsack 350 ml/15 L water | | |
| Dicamba (340 g/L) + MCPA (80 g/L) | Kamba M | Per ha 4 -7 L/ha | 7 days | When necessary a second treatment may be made after 4 weeks. |
| | | High vol. spray 470 ml/100 L water | | |
| | | knapsack 100 ml /15 L | | |
Prior to fallow and re-sowing of pasture
Stage of Growth | Herbicide (active ingredient & concentration) | Example of commercial product | Application rate of commercial product | Withholding period | Comments |
Late rosette to flowering stage (late July to September) | Glyphosate (360 g/L) | Weedmaster® Duo | Per ha 1.5 L/ha | Refer label | Boom spray application:
Note: Glyphosate is a non-selective herbicide. Boom spray apply only where full soil disturbance is intended to follow e.g. prior to re-sowing pasture.
Plants should be actively growing and not under stress of drought, frost or waterlogging.
Application may be integrated with long fallow. Cultivation may start 7 days after spraying.
Addition of a surfactant in accordance with label is recommended. |
| Glyphosate (540 g/L) Potassium salt | Roundup PowerMax® | Per ha 1.25-2 L/ha | Refer label | Broadacre application:
Add surfactant/ wetting agent in accordance with product label. |
Non-cropping and bushland
Stage of Growth | Herbicide (active ingredient & concentration) | Example of commercial product | Application rate of commercial product | Withholding period | Comments |
Actively growing to mature | Glyphosate * (360 g/L) where product has an aquatic registration | Weedmaster® Duo Roundup Biactive® | High vol. spray 500ml/100 L | | Note: Glyphosate is a non-selective herbicide. Boom spray apply only where full soil disturbance is intended to follow e.g. prior to re-sowing pasture.
In accordance with APVMA Permit PER84775. Spot spraying / knapsack. Add surfactant/ wetting agent in accordance with product label. |
| | | Knapsack 5 ml/L i.e 75 ml/15 L knapsack | | |
| Metsulfuron-methyl* (600 g/Kg) | Associate® / Ken-Met 600/ Brush-off® | 5-10 g in 100 L water plus surfactant | | In accordance with APVMA Permit PER84775. Spot spraying / knapsack. Add surfactant/ wetting agent in accordance with product label. |
| MCPA* (500 g/L) | MCPA 500 L | 20-50ml/10L | 7-10 days | In accordance with APVMA Permit PER84775. Spot spraying / knapsack/ wick wipe. |
* These products are not registered for this application method in Tasmania and will not be mentioned on product labels, however Permit Number - PER84775 issued by the Australian Pesticides & Veterinary Medicines Authority has been issued for this specific use. If using this method and herbicide you will require a copy of this off-label permit.
For further information on permit details visit the APVMA website at
www.apvma.gov.au.