
HerbicideSL
LEASH
Herbicide
- Clopyralid
- 200 g/LHRAC 4
Mode of actionHRAC 4
LEASH is a foliar acting herbicide effective against a range of perennial and annual weeds, especially mayweeds and creeping thistle. It is a soluble concentrate formulation containing 200 g/l (18% w/w) clopyralid. This product is approved for use on a variety of crops including cereals, oilseed rape, beets, brassicas, grassland, and ornamental plant production.
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Key uses(3)
- Control of perennial and annual weeds
- Mayweeds
- Creeping thistle
Registered in United Kingdom

Approved uses
Registration, documents and approved uses for this market.
Approved
Registration no.Not published
Pack sizes1L
Label & safety data
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Approved uses
18 crops
| Crop | Targets | PHI | BBCH |
|---|---|---|---|
| Barley | — | — | 33 |
| Beetroot | — | — | 39 |
| Broccoli | — | 42d | — |
| Brussels sprout | — | — | 19 |
| Cabbage | — | 42d | — |
| Cauliflower | — | 42d | — |
| Flax / linseed | — | — | — |
| Fodder beet | — | — | 39 |
| Forage maize | — | — | 19 |
| Grass & grassland | — | 7d | — |
| Oat | — | — | 33 |
| Oilseed rape | — | — | — |
| Onion | — | 42d | — |
| Ornamentals | — | — | — |
| Sugar beet | — | — | 39 |
| Swede | — | — | 39 |
| Turnip | — | — | 39 |
| Wheat | — | — | 33 |
Resistance management
Mode-of-action group, classified by the Herbicide Resistance Action Committee. Rotate products across different groups to slow resistance build-up.
Clopyralid
4HRAC
Group 4
To manage resistance, avoid consecutive applications of herbicides from the same HRAC group. Alternate with products of a different mode of action within a programme.