The library · Herbicide
Pyraflufen
A contact Group 14 used at low rates in premixes, such as BlackHawk with 2,4-D ester and Conquer II with bromoxynil.
- Group
- Herbicide Group 14
- Family
- Triazolinones, pyrimidinediones, N-phenylimides and phenylpyrazoles
- Formula
- C15H13Cl2F3N2O4
- Molar mass
- 413.2 g/mol
- You may know it as
- BlackHawk, Conquer II
- In Canada
- Mostly branded
Structure: PubChem CID 182951
How it kills
PPO inhibitors
Triggers a reaction that ruptures cell membranes in sunlight.
Very fast burn, often visible within a day.
Works where the droplet hits, with little or no movement through the plant. Coverage decides how well it works.
Where it fits
In the season.
Commonly used on
- Broadleaf weeds
- Kochia
- Cereals
Good to know
- Contact only, so coverage matters.
- It adds a burn and a second group to its partner.
- Popular as a burnoff partner because it brings a second group against glyphosate-resistant kochia.
Same group, same mode of action
