From labels and weed guides
Best herbicides for shepherd's-purse in rice
For shepherd's-purse in rice, the weed guides list 3 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for rice.
Shepherd's-purse control in rice
Every listed product is labeled for rice. 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, 3 active-ingredient groups are rated at least 80% control for shepherd's-purse in rice.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 81 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 25 other branded products | 2,4-d | 4 | Ms Weed Guide 2025, ms burndown: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms burndown: 9 → 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.
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: 2026-09-30.