From labels and weed guides
Best herbicides for russian thistle in field corn
For russian thistle in field corn, the weed guides list 35 active-ingredient groups rated good or excellent, after checking that the products are labeled for field corn.
Russian Thistle control in field corn
Every listed product is labeled for field corn. 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, 35 active-ingredient groups are rated good or excellent for russian thistle in field corn, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| BRIDGER ATZ EPA 89167-30-89391; same active ingredients on 33 other branded products | acetochlor and atrazine | 5, 15 | WinField Crop Protection 2026, corn post: E (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | ND Weed Guide 2026: G-E (PDF) |
| ARGOS EPA 74530-71; same active ingredients on 22 other branded products | mesotrione | 27 | WinField Crop Protection 2026, corn post: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 13 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 12 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: G-E (PDF) |
| Broclean EPA 34704-891; same active ingredients on 5 other branded products | bromoxynil | 6 | ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, corn post: G (PDF) |
| Aquesta 4 F EPA 91234-32; same active ingredients on 4 other branded products | sulfentrazone | 14 | ND Weed Guide 2026: G-E (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 4 other branded products | thifensulfuron | 2 | ND Weed Guide 2026: G-Ea (PDF) |
| DuPont Express EPA 352-632; same active ingredients on 3 other branded products | tribenuron-methyl | 2 | ND Weed Guide 2026: Ea (PDF) |
| Enlist Duo EPA 62719-649; same active ingredients on 3 other branded products | 2,4-d and glyphosate | 4, 9 | ND Weed Guide 2026: G (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | 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.