From labels and weed guides

Group 14 herbicides for morningglory-entireleaf in soybeans

There are 5 Group 14 active-ingredient groups rated good or excellent for morningglory-entireleaf in soybeans, with products labeled for soybeans.

Group 14 mode of action (MOA) options

Group 14 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, 5 active-ingredient groups are rated good or excellent for morningglory-entireleaf in soybeans.

Example productActive ingredientsMOA groupRatings checked
Agent 1.88
EPA 33270-31; same active ingredients on 16 other branded products
fomesafen14Ms Weed Guide 2025, ms soybean post: G (PDF)
Acifin 2L
EPA 82534-2-88783; same active ingredients on 9 other branded products
acifluorfen14Ms Weed Guide 2025, ms soybean post: G (PDF)
Prefix
EPA 100-1268; same active ingredients on 7 other branded products
fomesafen and metolachlor14, 15Ms Weed Guide 2025, ms soybean post: G (PDF)
Boa
EPA 83529-78; same active ingredients on 5 other branded products
lactofen14Ms Weed Guide 2025, ms soybean post: G (PDF)
Storm
EPA 70506-59
acifluorfen and bentazon6, 14Ms Weed Guide 2025, ms soybean post: G (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.