The library · Herbicide
Aminopyralid
A pyridine Group 4 for Canada thistle and other broadleaf weeds in pasture and rangeland.
- Group
- Herbicide Group 4
- Family
- Phenoxys, benzoics, pyridines and quinolines
- Formula
- C6H4Cl2N2O2
- Molar mass
- 207.01 g/mol
- You may know it as
- Restore II, ClearView
- In Canada
- Mostly branded
Structure: PubChem CID 213012
How it kills
Synthetic auxins
Mimics a natural plant hormone, overloading the growth system.
Broadleaf weeds twist, curl and grow themselves to death.
Taken in by the leaf, then carried with sugars down to the roots and up to the growing points.
Where it fits
In the season.
Commonly used on
- Thistles
- Perennials
- Broadleaf weeds
Good to know
- Residues can stay active in hay, manure and compost. Check the label before moving them.
- Keep it well away from pulses, potatoes and gardens.
- Usually sold in blends with metsulfuron or 2,4-D.
- Group 4 resistant kochia has been confirmed on the Prairies. Keep drift and sprayer clean-out in mind around sensitive crops.
Same group, same mode of action
