From labels and weed guides
Best herbicides for annual smartweed in turnip
For annual smartweed in turnip, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for turnip.
Annual Smartweed control in turnip
Every listed product is labeled for turnip. 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, 3 active-ingredient groups are rated good or excellent for annual smartweed in turnip.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Aquesta 4 F EPA 91234-32; same active ingredients on 11 other branded products | sulfentrazone | 14 | ND Weed Guide 2026: G-E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 10 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Bite EPA 83529-74; same active ingredients on 7 other branded products | clopyralid | 4 | ND Weed Guide 2026: G-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.