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 non-cropping situations are listed in the following table. For recommendations in specific crops consult an agronomist.
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 360g/L, Glyphosate 450g/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.
Boom Spray Application
Stage of Growth |
Herbicide
(active
ingredient) |
Example of commercial product (concentration of active ingredient) |
Application rate of commercial product |
Withholding period |
Comments |
| Rosettes (less than 100 mm) | Diquat | (200 g/L) | 0.7 L/ha | 28 days | Use only in established pasture.
Where capeweed infestation is high, oversowing with new pasture seed by direct drilling is advisable. Direct drill 3 to 7 days after spraying using a pasture mixture suitable to the district.
To avoid clover damage consult with your agronomist regarding application rates in relation to clover leaf stage. |
| Seedlings and autumn rosettes | 2,4-D amine | Amicide® 625
(625 g/L) | 1.4 L/ha | 7 days | To avoid clover damage consult with your agronomist regarding application rates in relation to clover leaf stage.
This product may only be used from 15 April to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE. |
| Seedlings | MCPA amine | (500 g/L) | 2.1 L/ha
| 7 days
| The use of MCPA is preferred to 2,4-D (amine and ester) in situations where legumes are undersown in the crop. |
| | Agritone® 750
(750 g/L) | 1.45 L/ha | 7 days | |
| Plants up to 6 leaf stage but not more than 50mm in diameter. | MCPA + Bromoxynil | Bromicide® MA
(200 g/L MCPA +
200 g/L bromoxynil) | 1.4 L/ha | 14 days | Do not apply to crops or pastures undersown with Lucerne, clover or medics unless some damage is acceptable.
|
| Up to the 2 leaf stage and not more than 60mm in diameter | MCPA iso-octyl + Diflufenican | Tigrex®
(25 g/L MCPA+
25 g/L diflufenican | 500 mL/ha
| 7 days | To avoid clover damage consult with your agronomist regarding application rates in relation to clover leaf stage.
|
| Up to4 leaf stage and not more than 120mm diameter | | | 1.0 L/ha | 7 days | |
| Up to rosette stage | 2,4-D ester | Estercide® Xtra
680
(680 g/L) | 2.5-3.3 L/ha | 1-21 days see label | Application may result in clover damage.
This product may only be used from 15 April to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE. |
Spot Spray Application
Stage of Growth |
Herbicide
(active
ingredient) |
Example of commercial product (concentration of active ingredient) |
Application rate of commercial product |
Withholding period |
Comments |
| Rosette | Triclopyr, | Garlon®
(600 g/L) | 0.8 ml/L | Nil | Apply as thorough foliage spray.
Will kill clover. |
| Flowering | Triclopyr+
*Picloram +
Aminopyralid | Grazon Extra®
(300 g/L + 100 g/L + 8 g/L) | 1.5 ml/L | 0-42 days
see label | Apply as thorough foliage spray.
Will kill clover. |
| All stages, while plant is actively growing | Glyphosate | (360 g/L)
Roundup PowerMax®
(540 g/L) | 75-100 ml/15L
50-70 ml/15L | Nil | Use higher rates on weeds over 15cm in height or diameter.
Non-selective and will damage or kill trees and grasses that come into contact with spray drift.
Visible symptoms of treatment may take from 3-7 days to develop.
Stock should be excluded for at least seven days to allow for good control. |
| | Roundup® Biactive™
(360 g/L) | 75-100 ml/15L | | Use higher rates on weeds over 15cm in height or diameter.
Suitable for use near waterways.
Non-selective and will damage or kill trees and grasses that come into contact with spray drift.
Visible symptoms of treatment may take from 3-7 days to develop.
Stock should be excluded for at least seven days to allow for good control. |
| MCPA + dicamba | Feed 'n Weed ®
15 g/l MCPA
2.3 g/l Dicamba
340g/L MCPA
80g/L Dicamba | Premixed
| Do not mow or fertilise for 7 days after treatment | Suitable for home gardens/turf/lawn (except Buffalo and Durban Grass).
Weeds will die slowly. Effects may take up to 3 weeks to appear. |
| Apply at seedling to rosette stage | MCPA amine | (500 g/L) | 21 ml/10L
| Nil | The use of MCPA is preferred to 2,4-D (amine and ester) in situations where legumes are undersown in the crop. |
| | Agritone® 750
(750 g/L) | Knapsack
13 ml/10L
High volume
130 ml/100L | Nil | |
| 2,4-D amine | Amicide® 625 g/L formulations | Knapsack 14 ml/10L
High Volume
140 mL/150L | 7 days | To avoid clover damage consult with your agronomist regarding application rates in relation to clover leaf stage.
This product may only be used from 15 April to 15 September unless permitted by the Registrar of Chemical Products, DPIPWE. |
*Note: picloram remains active in soil for extended periods and may leach into groundwater.
To the extent permitted by law, the Tasmanian Department of Primary Industries, Parks, Water and Environment (including its employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using information or material (in part or in whole) contained on this website.