From labels and weed guides
Best herbicides for spiny amaranth, waterhemp palmer in sorghum
For spiny amaranth, waterhemp palmer in sorghum, the weed guides list 12 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for sorghum.
Spiny Amaranth, Waterhemp Palmer control in sorghum
Every listed product is labeled for sorghum. 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, 12 active-ingredient groups are rated at least 80% control for spiny amaranth, waterhemp palmer in sorghum.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 75 other branded products | 2,4-d | 4 | Ms Weed Guide 2025, ms grain sorghum post: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | Ms Weed Guide 2025, ms grain sorghum post: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 31 other branded products | atrazine | 5 | Ms Weed Guide 2025, ms grain sorghum post: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms grain sorghum: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms grain sorghum post: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 4 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | Ms Weed Guide 2025, ms grain sorghum: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Arrest CS EPA 83529-84; same active ingredients on 3 other branded products | acetochlor | 15 | Ms Weed Guide 2025, ms grain sorghum: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | Ms Weed Guide 2025, ms grain sorghum: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Daikon EPA 91234-217; same active ingredients on 1 other branded product | dicamba and halosulfuron-methyl | 2, 4 | Ms Weed Guide 2025, ms grain sorghum post: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Outlook EPA 7969-156; same active ingredients on 1 other branded product | dimethenamid-p | 15 | Ms Weed Guide 2025, ms grain sorghum: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | Ms Weed Guide 2025, ms grain sorghum post: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Reviton EPA 71512-37-74530 | tiafenacil | 14 | Ms Weed Guide 2025, ms grain sorghum: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | Ms Weed Guide 2025, ms grain sorghum: 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.