From labels and weed guides
Best herbicides for volunteer canola in soybeans
For volunteer canola in soybeans, the weed guides list 14 active-ingredient groups rated good or excellent, after checking that the products are labeled for soybeans.
Volunteer Canola control in soybeans
Every listed product is labeled for soybeans. 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, 14 active-ingredient groups are rated good or excellent for volunteer canola in soybeans, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Actylis Metribuzin EPA 2749-660; same active ingredients on 32 other branded products | metribuzin | 5 | ND Weed Guide 2026: E (PDF) |
| Agent 1.88 EPA 33270-31; same active ingredients on 16 other branded products | fomesafen | 14 | ND Weed Guide 2026: E (PDF) |
| Boundary 6.5EC EPA 100-1162; same active ingredients on 13 other branded products | metolachlor and metribuzin | 5, 15 | ND Weed Guide 2026: E (PDF) |
| Antares Prime EPA 82534-10-5905; same active ingredients on 8 other branded products | cloransulam-methyl and sulfentrazone | 2, 14 | ND Weed Guide 2026: E (PDF) |
| Authority Assist EPA 279-3330; same active ingredients on 5 other branded products | imazethapyr and sulfentrazone | 2, 14 | ND Weed Guide 2026: G-E (PDF) |
| Agent GT EPA 33270-30; same active ingredients on 3 other branded products | fomesafen and glyphosate | 9, 14 | ND Weed Guide 2026: E (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | ND Weed Guide 2026: G-E (PDF) |
| Fierce EPA 59639-193; same active ingredients on 1 other branded product | flumioxazin and pyroxasulfone | 14, 15 | ND Weed Guide 2026: G-E (PDF) |
| Afforia EPA 352-889 | flumioxazin, thifensulfuron, and tribenuron-methyl | 2, 14 | ND Weed Guide 2026: G-E (PDF) |
| Kyber Pro EPA 59639-236 | flumioxazin, metribuzin, and pyroxasulfone | 5, 14, 15 | ND Weed Guide 2026: G-E (PDF) |
| Panther Pro EPA 71368-120 | flumioxazin, imazethapyr, and metribuzin | 2, 5, 14 | ND Weed Guide 2026: E (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | 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.