From labels and weed guides

Group 2 herbicides for spiny amaranth, waterhemp palmer in soybeans

There are 7 Group 2 active-ingredient groups rated good or excellent for spiny amaranth, waterhemp palmer in soybeans, with products labeled for soybeans.

Group 2 mode of action (MOA) options

Group 2 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, 7 active-ingredient groups are rated good or excellent for spiny amaranth, waterhemp palmer in soybeans.

Example productActive ingredientsMOA groupRatings checked
Antares Prime
EPA 82534-10-5905; same active ingredients on 8 other branded products
cloransulam-methyl and sulfentrazone2, 14Ms Weed Guide 2025, ms soybean pre: G (PDF)
Authority Maxx
EPA 279-9560; same active ingredients on 5 other branded products
chlorimuron and sulfentrazone2, 14Ms Weed Guide 2025, ms soybean pre: E (PDF)
Flu-Rimuron
EPA 85678-48; same active ingredients on 2 other branded products
chlorimuron and flumioxazin2, 14Ms Weed Guide 2025, ms soybean pre: E (PDF)
Enlite
EPA 352-757; same active ingredients on 1 other branded product
chlorimuron, flumioxazin, and thifensulfuron2, 14Ms Weed Guide 2025, ms soybean pre: E (PDF)
Fierce XLT
EPA 59639-194
chlorimuron, flumioxazin, and pyroxasulfone2, 14, 15Ms Weed Guide 2025, ms soybean pre: E (PDF)
Synchrony XP
EPA 352-648
chlorimuron and thifensulfuron2Ms Weed Guide 2025, ms soybean post: G (PDF)
Tendovo
EPA 100-1684
cloransulam-methyl, metolachlor, and metribuzin2, 5, 15Ms Weed Guide 2025, ms soybean pre: 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

Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.

Sources

Data from current labels and weed guides. Last source update: 2026-07-14.