Pre-Seed and Pre-Emergent Herbicide Options for Soybeans
| Herbicide | Herbicide Group | Application Timing* | Primary Target | Recropping (year after) |
|---|---|---|---|---|
| 2,4-D Ester | 4 | Seven days prior to seeding | Broadleaf weeds | None |
| BlackHawk® (2,4-D + pyraflufen-ethyl) | 4 + 14 | Prior to seeding or prior to emergence | Broadleaf weeds | None |
| Aim® EC/Foremost™/Revenge™ (carfentrazone) | 14 | Prior to seeding or up to 3 days after seeding (Aim® EC only) (*Tank-mix with Express® SG and glyphosate—apply mini- mum 24 hours prior to seeding) | Broadleaf weeds | None |
| Prospect (carfentrazone + halauxifen) | 4 + 14 | Minimum 7 days prior to seeding (*minimum seeding depth of 4cm/1.6 inches or injury may occur) | Broadleaf weeds | Crop restrictions on label |
| Focus® (carfentrazone + pyroxasulfone) | 14 + 15 | Prior to seeding or up to three days after seedingFall application as well (*Tank-mix with Express® SG and glyphosate—apply minimum 24 hours prior to seeding) | Broadleaf and grassy weeds | Crop restrictions on label |
| Authority Strike™ (carfentrazone + sulfentrazone) | 14 | Prior to seeding or up to three days after seeding | Broadleaf weeds | Crop restrictions on label |
| Engenia®/Xtendimax® (dicamba) | 4 + 9 | Prior to seeding or prior to emergence (Roundup Ready 2 Xtend® soybeans only) | Broadleaf weeds; Broadleaf and grassy weeds | Crop restrictions on label |
| Roundup Xtend™ (dicamba + glyphosate) | 4 + 9 | Prior to seeding or prior to emergence (Roundup Ready 2 Xtend® soybeans only) | Broadleaf weeds; Broadleaf and grassy weeds | Crop restrictions on label |
| Edge® MicroActiv (ethalfluralin) | 3 | Prior to seeding | Broadleaf and grassy weeds | Crop restrictions on label |
| Valtera™/Valtera™ EZ (flumioxazin) | 14 | Prior to seeding or prior to emergence | Broadleaf weeds | None |
| IPCO Bifecta® EZ (flumioxazin + metribuzin) | 5 + 14 | Apply before planting, during planting, within 3 days of planting – but before the crop emerges, or in the fall prior to seeding the crop | Broadleaf and grassy weeds | Crop restrictions on label |
| Fierce®/Fierce® EZ (flumioxazin + pyroxasulfone) | 14 + 15 | Prior to seeding or prior to emergence | Broadleaf and grassy weeds | None |
| glyphosate | 9 | Prior to seeding or prior to emergence | Broadleaf and grassy weeds | None |
| Dual II Magnum®/Komodo™/ Stallion™ (s-metolachlor) | 15 | Prior to seeding | Broadleaf and grassy weeds | None |
| Buzzin® 70 WDG/Meteor™/Meter 75 DF/Metrix® SC/Sencor®75 DF/Sencor® Solupak 75 DF/Squadron® II/TriCor® 75 DF/ TriCor® LQ (metribuzin) | 5 | Prior to seeding | Broadleaf weeds | Crop restrictions on label |
| Beloukha® (pelargonic acid) | 26 | Prior to seeding or up to 3 days after seeding and prior to emergence of pulse crops | Broadleaf and grassy weeds | None |
| Zidua® SC (pyroxasulfone) | 15 | Prior to seeding or prior to emergence | Broadleaf and grassy weeds | None |
| Heat® Complete (pyroxasulfone + saflufenacil) | 14 + 15 | Prior to seeding or prior to emergence | Broadleaf and grassy weeds | None |
| Authority® Supreme (pyroxasulfone + sulfentrazone) | 14 + 15 | Prior to seeding or up to three days after seeding (*Tank-mix with Express® SG and glyphosate—apply mini- mum 24 hours prior to seeding) | Broadleaf and grassy weeds | Crop restrictions on label |
| Heat® (saflufenacil) | 14 | Prior to seeding and post seeding within three days | Broadleaf weeds | None |
| Voraxor™ (saflufenacil + trifludimoxazin) | 14 | Prior to seeding or prior to emergence | Broadleaf weeds | None |
| Authority® 480 (sulfentrazone) | 14 | Prior to seeding or up to three days after seeding (*Tank-mix with Express® SG and glyphosate—apply mini- mum 24 hours prior to seeding) | Broadleaf weeds | Crop restrictions on label |
| Express® SG*/Involve® 50 WDG**(tribenuron) | 2 | Minimum 24 hours prior to seeding | Broadleaf weeds | None |
| Bonanza®/Treflan®/Rival® (trifluralin) | 3 | Prior to seeding | Broadleaf and grassy weeds | Crop restrictions on label |
Refer to the product label or consult with chemical manufacturer for tank mix options.
*There may be restrictions on label for rates, application timing, varieties, or soil types. Consult label or manufacturer for more detail. Always read and follow label directions. This information is only a guide, if label information differs, follow label instructions.
Version March 2024
