From labels and weed guides

Best herbicides for common barnyardgrass in soybeans

For common barnyardgrass in soybeans, the weed guides list 29 active-ingredient groups rated good or excellent, after checking that the products are labeled for soybeans.

Common Barnyardgrass 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 4 weed guides, 29 active-ingredient groups are rated good or excellent for common barnyardgrass in soybeans, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
78623 58% Technical Solution
EPA 524-532; same active ingredients on 84 other branded products
glyphosate9Ms Weed Guide 2025, ms soybean post: E (PDF); ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean post: E (PDF)
Arrow 2EC
EPA 66222-60; same active ingredients on 37 other branded products
clethodim1Ms Weed Guide 2025, ms soybean post: E (PDF); ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean post: E (PDF)
Acumen
EPA 241-337-55467; same active ingredients on 17 other branded products
pendimethalin3Ms Weed Guide 2025, ms soybean pre: E (PDF); ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF)
Aceto Trifluralin 4EC
EPA 2749-561; same active ingredients on 13 other branded products
trifluralin3ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF)
Abigor
EPA 34704-1174; same active ingredients on 8 other branded products
imazamox2ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean post: G (PDF)
Basis Blend
EPA 352-854; same active ingredients on 5 other branded products
rimsulfuron and thifensulfuron2ND Weed Guide 2026: G-E (PDF)
Grapple
EPA 71368-121; same active ingredients on 5 other branded products
rimsulfuron2ND Weed Guide 2026: G (PDF); ND Weed Guide 2026: G-E (PDF)
Agent GT
EPA 33270-30; same active ingredients on 3 other branded products
fomesafen and glyphosate9, 14ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, soybean post: E (PDF)
ANNIHILATE
EPA 279-3601-55467; same active ingredients on 3 other branded products
pyroxasulfone and sulfentrazone14, 15Ms Weed Guide 2025, ms soybean pre: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF)
Arrest CS
EPA 83529-84; same active ingredients on 3 other branded products
acetochlor15Ms Weed Guide 2025, ms soybean pre: G (PDF); ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean pp pre: G/E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF)
Assure II
EPA 352-541; same active ingredients on 3 other branded products
quizalofop-p-ethyl1ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean post: E (PDF)
Enfilade DX
EPA 91234-308; same active ingredients on 3 other branded products
fluazifop-p-butyl1Ms Weed Guide 2025, ms soybean post: G (PDF); ND Weed Guide 2026: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, 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.

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Sources

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