From labels and weed guides
Best herbicides for smooth pigweed in field corn
For smooth pigweed in field corn, the weed guides list 28 active-ingredient groups rated good or excellent, after checking that the products are labeled for field corn.
Smooth Pigweed control in field corn
Every listed product is labeled for field corn. 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, 28 active-ingredient groups are rated good or excellent for smooth pigweed in field corn, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 83 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms corn post: E (PDF); Ms Weed Guide 2025, ms corn post preharvest: E (PDF) |
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 77 other branded products | 2,4-d | 4 | Ms Weed Guide 2025, ms corn post preharvest: E (PDF); Ms Weed Guide 2025, ms corn post: G (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 35 other branded products | dicamba | 4 | Ms Weed Guide 2025, ms corn post: G (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 31 other branded products | atrazine | 5 | Ms Weed Guide 2025, ms corn pre: E (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | Ms Weed Guide 2025, ms corn post: G (PDF) |
| ARGOS EPA 74530-71; same active ingredients on 22 other branded products | mesotrione | 27 | Ms Weed Guide 2025, ms corn post: E (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | Ms Weed Guide 2025, ms corn pre: G (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms corn post directed: E (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 13 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | Ms Weed Guide 2025, ms corn pre: E (PDF); Ms Weed Guide 2025, ms corn post: E (PDF) |
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | Ms Weed Guide 2025, ms corn post preharvest: G (PDF) |
| Princep 4L EPA 100-526; same active ingredients on 7 other branded products | simazine | 5 | Ms Weed Guide 2025, ms corn pre: E (PDF) |
| Orador EPA 91234-324; same active ingredients on 3 other branded products | acetochlor, clopyralid, and mesotrione | 4, 15, 27 | Ms Weed Guide 2025, ms corn pre: E (PDF); Ms Weed Guide 2025, ms corn post: 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.