From labels and weed guides

Group 4 herbicides for sunflower in sorghum

There are 6 Group 4 active-ingredient groups rated good or excellent for sunflower in sorghum, with products labeled for sorghum.

Group 4 mode of action (MOA) options

Group 4 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 sorghum. 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 2 weed guides, 6 active-ingredient groups are rated good or excellent for sunflower in sorghum.

Example productActive ingredientsMOA groupRatings checked
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 34 other branded products
dicamba4ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, sorghum: G (PDF)
Comet
EPA 71368-87; same active ingredients on 8 other branded products
fluroxypyr 1-methylheptyl ester4ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, sorghum: G (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)
Daikon
EPA 91234-217; same active ingredients on 1 other branded product
dicamba and halosulfuron-methyl2, 4WinField Crop Protection 2026, sorghum: E (PDF)
Huskie FX
EPA 264-1208
bromoxynil, fluroxypyr 1-methylheptyl ester, and pyrasulfotole4, 6, 27ND Weed Guide 2026: E (PDF)
Starane NXT
EPA 62719-557
bromoxynil and fluroxypyr 1-methylheptyl ester4, 6ND 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.

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.