From labels and weed guides
Best herbicides for russian thistle in rice
For russian thistle in rice, the weed guides list 9 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for rice.
Russian Thistle control in rice
Every listed product is labeled for rice. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 9 active-ingredient groups are rated at least 80% control for russian thistle in rice.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 25 other branded products | 2,4-d | 4 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Acifin 2L EPA 82534-2-88783; same active ingredients on 9 other branded products | acifluorfen | 14 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Basagran EPA 66330-413; same active ingredients on 8 other branded products | bentazon | 6 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 2 other branded products | thifensulfuron | 2 | ND Weed Guide 2026: G-Ea → 80–99% control (PDF) |
| Express EPA 279-9594; same active ingredients on 1 other branded product | tribenuron-methyl | 2 | ND Weed Guide 2026: Ea → 90–99% control (PDF) |
| Glufosinate 280SL EPA 85678-42; same active ingredients on 1 other branded product | glufosinate | 10 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Storm EPA 70506-59 | acifluorfen and bentazon | 6, 14 | ND Weed Guide 2026: G → 80–90% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.