From labels and weed guides
Best herbicides for redroot pigweed in sweet potato
For redroot pigweed in sweet potato, the weed guides list 6 active-ingredient groups rated good or excellent, after checking that the products are labeled for sweet potato.
Redroot Pigweed control in sweet potato
Every listed product is labeled for sweet potato. 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, 6 active-ingredient groups are rated good or excellent for redroot pigweed in sweet potato.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 80 other branded products | glyphosate | 9 | ND Weed Guide 2026: E (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 24 other branded products | flumioxazin | 14 | ND Weed Guide 2026: G-E (PDF) |
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | ND Weed Guide 2026: G (PDF) |
| Gramoxone SL 3.0 EPA 100-1652; same active ingredients on 2 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Epitome EPA 2749-636; same active ingredients on 1 other branded product | eptc | 15 | ND Weed Guide 2026: G (PDF) |
| Sonalan HFP EPA 10163-356 | ethalfluralin | 3 | 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.