From labels and weed guides

Group 4 herbicides for chickweed in cereal rye

There are 2 Group 4 active-ingredient groups rated good or excellent for chickweed in cereal rye, with products labeled for cereal rye.

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 cereal rye. 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, 2 active-ingredient groups are rated good or excellent for chickweed in cereal rye.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 75 other branded products
2,4-d4Ms Weed Guide 2025, ms small grain: G (PDF)
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 29 other branded products
dicamba4Ms Weed Guide 2025, ms burndown: G (PDF); Ms Weed Guide 2025, ms small grain: 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.