From labels and weed guides
Best herbicides for annual smartweed in sugar beet
For annual smartweed in sugar beet, the weed guides list 4 active-ingredient groups rated good or excellent, after checking that the products are labeled for sugar beet.
Annual Smartweed control in sugar beet
Every listed product is labeled for sugar beet. 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, 4 active-ingredient groups are rated good or excellent for annual smartweed in sugar beet.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 29 other branded products | glufosinate | 10 | ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Ethofumesate 4SC Select EPA 45002-37-89442; same active ingredients on 5 other branded products | ethofumesate | 15 | ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, sugarbeet: G (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 2 other branded products | thifensulfuron | 2 | 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.