From labels and weed guides
Group 15 herbicides for spiny amaranth, waterhemp palmer in soybeans
There are 13 Group 15 active-ingredient groups rated good or excellent for spiny amaranth, waterhemp palmer in soybeans, with products labeled for soybeans.
Group 15 mode of action (MOA) options
Group 15 is a herbicide mode of action (MOA) group. Treat it as one resistance-management check, not as the whole program.
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, 13 active-ingredient groups are rated good or excellent for spiny amaranth, waterhemp palmer in soybeans, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Boundary 6.5EC EPA 100-1162; same active ingredients on 13 other branded products | metolachlor and metribuzin | 5, 15 | Ms Weed Guide 2025, ms soybean pre: G (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 9 other branded products | metolachlor and sulfentrazone | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Prefix EPA 100-1268; same active ingredients on 7 other branded products | fomesafen and metolachlor | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF); Ms Weed Guide 2025, ms soybean post: G (PDF) |
| ANNIHILATE EPA 279-3601-55467; same active ingredients on 3 other branded products | pyroxasulfone and sulfentrazone | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Anthem EPA 279-3450; same active ingredients on 1 other branded product | fluthiacet-methyl and pyroxasulfone | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Forrest EPA 83529-102; same active ingredients on 1 other branded product | acetochlor and fomesafen | 14, 15 | Ms Weed Guide 2025, ms soybean post: G (PDF) |
| Zidua EPA 7969-338; same active ingredients on 1 other branded product | pyroxasulfone | 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Anthem Flex EPA 279-3464 | carfentrazone-ethyl and pyroxasulfone | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Fierce XLT EPA 59639-194 | chlorimuron, flumioxazin, and pyroxasulfone | 2, 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Intimidator EPA 34704-1065 | fomesafen, metolachlor, and metribuzin | 5, 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF) |
| Perpetuo EPA 59639-242 | flumiclorac-pentyl and pyroxasulfone | 14, 15 | Ms Weed Guide 2025, ms soybean pre: E (PDF); Ms Weed Guide 2025, ms soybean post: G (PDF) |
| Sequence EPA 100-1185 | glyphosate and metolachlor | 9, 15 | Ms Weed Guide 2025, ms soybean post: 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.
Build the full program
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.