From labels and weed guides
Group 14 herbicides for spiny amaranth, waterhemp palmer in field corn
There are 4 Group 14 active-ingredient groups rated good or excellent for spiny amaranth, waterhemp palmer in field corn, with products labeled for field corn.
Group 14 mode of action (MOA) options
Group 14 is a herbicide mode of action (MOA) group. Treat it as one resistance-management check, not as the whole program.
Every listed product is labeled for field corn. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 1 weed guide, 4 active-ingredient groups are rated good or excellent for spiny amaranth, waterhemp palmer in field corn.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | Ms Weed Guide 2025, ms corn post preharvest: G (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | Ms Weed Guide 2025, ms corn pre: E (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | Ms Weed Guide 2025, ms corn pre: E (PDF) |
| Surtain EPA 7969-501 | pyroxasulfone and saflufenacil | 14, 15 | Ms Weed Guide 2025, ms corn pre: G (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. A range such as G-E means the guide gives a range; 'a' after a rating (e.g., Ga) means the guide assumes its recommended additive.
Build the full program
Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.
Sources
Data from current labels and weed guides. Last source update: 2026-07-14.