From labels and weed guides
Best herbicides for common barnyardgrass in sweet potato
For common barnyardgrass in sweet potato, the weed guides list 8 active-ingredient groups rated good or excellent, after checking that the products are labeled for sweet potato.
Common Barnyardgrass 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 2 weed guides, 8 active-ingredient groups are rated good or excellent for common barnyardgrass 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); ND Weed Guide 2026: G (PDF) |
| Arrow 2EC EPA 66222-60; same active ingredients on 36 other branded products | clethodim | 1 | ND Weed Guide 2026: E (PDF) |
| Caravel EPA 60063-58; same active ingredients on 7 other branded products | clomazone | 13 | WinField Crop Protection 2026, vegetables: G/E (PDF) |
| Enfilade DX EPA 91234-308; same active ingredients on 3 other branded products | fluazifop-p-butyl | 1 | ND Weed Guide 2026: E (PDF) |
| Gramoxone SL 3.0 EPA 100-1652; same active ingredients on 2 other branded products | paraquat | 22 | ND Weed Guide 2026: G (PDF) |
| Epitome EPA 2749-636; same active ingredients on 1 other branded product | eptc | 15 | ND Weed Guide 2026: E (PDF) |
| Poast EPA 7969-58 | sethoxydim | 1 | ND Weed Guide 2026: E (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.