| Mode of action | Site of action | Herbicide examples |
|---|---|---|
| Growth regulators | multiple sites* | Banvel, Crossbow, 2,4-D, MCPA, Stinger |
| Amino acid synthesis | ALS synthase | Accent, Ally, Beacon, Classic, Express, Harmony Extra, Permit, Pinnacle, Pursuit, Python, Scepter, |
| EPSP synthase | Rodeo, Roundup, Touchdown | |
| Lipid inhibitors | ACCase enzyme | Assure II, Fusilade, Fusion, Hoelon, Poast, Select, |
| N-metabolism disruptors | GS enzyme | Liberty |
| Seedling root inhibitors | tubulin protein | Balan, Prowl, Sonalan, Treflan |
| Seedling shoot inhibitors | multiple sites * | Dual, Eptam, Eradicane, Harness, Lasso, Outlook, Ramrod, Surpass, Sutan+ |
| Photosynthesis inhibitors | D-1 quinone protein | Atrazine, Basagran, Buctril, Laddok, Lexone, Lorox, Princep, Sencor, Sinbar, Spike, Velpar |
| Cell membrane disrupters | Photosystem I | Gramoxone, Diquat |
| PPO | Authority, Blazer, Cobra, Reflex, Resource | |
| Pigment inhibitors | Carotenoid biosynthesis | Command, Balance, Callisto |
| * Herbicides with multiple sites of action are less likely to select for herbicide-resistant weeds. | ||
