From labels and weed guides
Best herbicides for deadnettle (purple) in oats
For deadnettle (purple) in oats, the weed guides list 2 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for oats.
Deadnettle (purple) control in oats
Every listed product is labeled for oats. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 2 active-ingredient groups are rated at least 80% control for deadnettle (purple) in oats.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Affinity BroadSpec EPA 279-9601; same active ingredients on 20 other branded products | thifensulfuron and tribenuron-methyl | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Express EPA 279-9594; same active ingredients on 4 other branded products | tribenuron-methyl | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% control (FieldMarshal policy interval) (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.