Introducing CASPER®: Your flexible grassland herbicide solution
CASPER® is the NEW broad-spectrum grassland herbicide for livestock farmers.
Developed by Syngenta, a global leader in agricultural solutions, CASPER® combines powerful weed control with flexibility in timing and application date to improve your pastures.
Two Active Ingredients
CASPER® harnesses the strength of two active ingredients, a combination new to the grassland market for robust weed control:
Prosulfuron (50g/litre)
Dicamba (500g/litre)
This unique combination delivers exceptional broad-spectrum control against problematic weeds in both new and established pastures.
Wide Application Window
One of the standout features of CASPER® is its flexible application timing. This extended window allows you to:
Adapt to variable weather conditions
Fit herbicide application into your busy schedule
Tackle weeds at their most vulnerable growth stages
Versatile Use
Whether you're establishing new grassland or maintaining existing pastures, CASPER® has you covered:
Safely use in newly-sown grass
Effectively control weeds in established pastures
Key benefits of CASPER®
1. Broad-spectrum weed control
CASPER® effectively targets a wide range of problematic weeds including:
Tough perennial broad leaved weeds (in established grassland)
Including: Broad leaved dock, Curled dock, Creeping thistle, Spear thistle, Ragwort, Nettles, Greater plantain, Common sorrel, Yarrow, plus some control of Buttercups (75-80%), and some control of Dandelions (50-70%).
Annual broad leaved weeds (in newly sown and established grassland)
Including: Black nightshade, Chickweed, Field bindweed, Fat hen, Fumitory, Groundsel, Knotgrass, Mayweeds, Redshank, Scarlet pimpernel Shepherd’s purse, Small nettle, Seedling docks and Thistles, plus moderate control of Cleavers and Poppy.
2. Improved yield and pasture quality
By eliminating competing weeds, CASPER® can help:
Increase desirable grass species and grass production
Providing more feed for your livestock
Enhance overall pasture nutritional value
Improve palatability for livestock
3. Long-lasting results
The dual-action formula of CASPER® provides:
Extended weed control throughout the growing season
Reduced need for multiple applications
4. Flexibility
CASPER®'s versatility provides livestock farmers, advisors and contractors with a number of benefits, including:
Can be used in newly sown and established grassland
Has a wide application window (1st April to 31st October)
Dose rate flexibility (a lower dose rate of 0.3kg/ha for newly sown leys and 0.36kg/ha for established grassland)
No 12 month cutting restrictions
Backed by Syngenta's agronomic expertise
When you choose CASPER®, you're not just getting a quality herbicide – you're gaining access to Syngenta's world-class agronomic support. For additional information or technical support, please click here
Where to buy CASPER®
CASPER® is available through authorised Syngenta distributors. Contact your local agricultural supplier or Syngenta representative to purchase CASPER® for your grassland management needs.
CASPER®: Weed control so good it’s supernatural
Useful information
| Application window | 1st April to 30th September |
| Timing | Pasture more than 1 year old or newly sown grass from GS15 |
| Grazing interval | Livestock must be excluded for at least 21 days after application |
| Cutting interval | 21 days |
| Pack size | 1KG |
| Formulation | Water Dispersible Granule (WDG) |
| Dose rates | Lower dose 0.3kg/ha for newly sown leys and 0.36kg/ha for established grassland |
| Nozzle | Syngenta 3D-ninety is preferred |
| Water volume | 200-400 litres/hectare |
| Application | Can be applied via standard tractor drawn/mounted sprayer or self-propelled sprayer |
Always read the label and product information before use.
