From labels and weed guides
Best herbicides for annual smartweed in field pea
For annual smartweed in field pea, the weed guides list 10 active-ingredient groups rated good or excellent, after checking that the products are labeled for field pea.
Annual Smartweed control in field pea
Every listed product is labeled for field pea. 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 2 weed guides, 10 active-ingredient groups are rated good or excellent for annual smartweed in field pea.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Antares EPA 82534-5-5905; same active ingredients on 19 other branded products | sulfentrazone | 14 | ND Weed Guide 2026: G-E (PDF) |
| Axill Solutions Imazethapyr 2SL EPA 93809-3; same active ingredients on 10 other branded products | imazethapyr | 2 | ND Weed Guide 2026: G (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 9 other branded products | metolachlor and sulfentrazone | 14, 15 | ND Weed Guide 2026: G-E (PDF) |
| Basagran EPA 66330-413; same active ingredients on 9 other branded products | bentazon | 6 | ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, pea: E (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | ND Weed Guide 2026: G-E (PDF) |
| ANNIHILATE EPA 279-3601-55467; same active ingredients on 3 other branded products | pyroxasulfone and sulfentrazone | 14, 15 | WinField Crop Protection 2026, pea: G (PDF) |
| Compensa EPA 83529-71; same active ingredients on 3 other branded products | imazethapyr and sulfentrazone | 2, 14 | ND Weed Guide 2026: G-E (PDF) |
| Bastante Max EPA 2749-613; same active ingredients on 2 other branded products | bentazon and imazamox | 2, 6 | ND Weed Guide 2026: E (PDF) |
| Maxunitech Carfentrazone + Sulfentrazone SE EPA 95009-3; same active ingredients on 1 other branded product | carfentrazone-ethyl and sulfentrazone | 14 | ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, pea: G (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026: 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.