From labels and weed guides
Group 14 herbicides for common lambsquarters in sunflower
There are 5 Group 14 active-ingredient groups rated good or excellent for common lambsquarters in sunflower, with products labeled for sunflower.
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 sunflower. 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, 5 active-ingredient groups are rated good or excellent for common lambsquarters in sunflower.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Antares EPA 82534-5-5905; same active ingredients on 20 other branded products | sulfentrazone | 14 | WinField Crop Protection 2026, sunflower safflower: E (PDF) |
| AIM EC EPA 279-3241; same active ingredients on 10 other branded products | carfentrazone-ethyl | 14 | WinField Crop Protection 2026, sunflower safflower: G/E (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 8 other branded products | metolachlor and sulfentrazone | 14, 15 | WinField Crop Protection 2026, sunflower safflower: E (PDF) |
| ANNIHILATE EPA 279-3601-55467; same active ingredients on 3 other branded products | pyroxasulfone and sulfentrazone | 14, 15 | WinField Crop Protection 2026, sunflower safflower: E (PDF) |
| Maxunitech Carfentrazone + Sulfentrazone SE EPA 95009-3; same active ingredients on 1 other branded product | carfentrazone-ethyl and sulfentrazone | 14 | WinField Crop Protection 2026, sunflower safflower: E (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.