From labels and weed guides

Best herbicides for marshelder in oats

For marshelder in oats, the weed guides list 14 active-ingredient groups rated good or excellent, after checking that the products are labeled for oats.

Marshelder control in oats

Every listed product is labeled for oats. 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 marshelder in oats, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 74 other branded products
2,4-d4ND Weed Guide 2026: E (PDF)
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 34 other branded products
dicamba4ND Weed Guide 2026: E (PDF)
ARGOS
EPA 74530-71; same active ingredients on 20 other branded products
mesotrione27ND Weed Guide 2026: E (PDF)
Base Camp MCP Ester
EPA 2935-554; same active ingredients on 15 other branded products
mcpa4ND Weed Guide 2026: G (PDF)
Bison
EPA 71368-28-1381; same active ingredients on 11 other branded products
bromoxynil and mcpa4, 6ND Weed Guide 2026: E (PDF)
Bite
EPA 83529-74; same active ingredients on 8 other branded products
clopyralid4ND Weed Guide 2026: E (PDF)
Broclean
EPA 34704-891; same active ingredients on 5 other branded products
bromoxynil6ND Weed Guide 2026: E (PDF)
COLT AS
EPA 34704-1019; same active ingredients on 5 other branded products
clopyralid and fluroxypyr 1-methylheptyl ester4ND Weed Guide 2026: E (PDF)
Express
EPA 279-9594; same active ingredients on 4 other branded products
tribenuron-methyl2ND Weed Guide 2026: E (PDF)
Harmony GT XP
EPA 279-9577; same active ingredients on 4 other branded products
thifensulfuron2ND Weed Guide 2026: G-E (PDF)
Imitator + 2,4-D
EPA 19713-635; same active ingredients on 2 other branded products
2,4-d and glyphosate4, 9ND Weed Guide 2026: E (PDF)
Curtail M
EPA 62719-86
clopyralid and mcpa4ND Weed Guide 2026: 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.