| 2,4-D |
<8" tall |
0.5 pt—8" to 36" tall |
Some 2,4-D formulations allow application up to tasseling. |
| Accent |
20" tall (free-standing) or <6 collars (V6 stage) |
20" to 36" tall or V6 to V10 stage |
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| Aim |
Up to 8-leaf collar stage (V8) |
Up to 14-leaf collar stage |
Use drop nozzles or directed sprayers that target weeds but spray away from the corn whorl. |
| Atrazine |
12" tall |
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— |
| Banvel or Clarity |
1 pt—8" tall or 5 leaves 0.5 pt—8" to 36" tall or 15 days before tassel emergence |
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Do not apply Banvel or Clarity near soybeans if corn is >24" tall, or if soybeans are >10" tall or have begun to bloom. |
| Basagran |
No restrictions |
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— |
| Basis |
Spike to 4 leaves (2 collars) or 0.5" to 6" tall |
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Do not apply to corn >6" tall or having 3 collars |
| Beacon |
4" to 20" tall (free-standing) |
For splits, 20" tall to before tassel emergence |
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| Buctril |
1 pt—emergence to tassel 1.5 pts—4 leaves to tassel |
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Postemergence application before 3-leaf stage may result in corn leaf burn. |
| Buctril + atrazine |
1.5 to 2 pts—emergence to 12" tall 3 pt—4 leaves to <12" tall |
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Postemergence application before 3-leaf stage may result in corn leaf burn. |
| Callisto |
Up to 30" tall (or 8-corn leaf stage) |
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— |
| Celebrity Plus |
4" to 24" tall (free standing) or <6 collars (V6 stage) |
When necessary |
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| Curtail |
<8" tall |
— |
— |
| Distinct |
4" to 24" tall |
24" to 30" tall |
Up to 2 weeks before tassel emergence. |
| Equip |
Up to 12" tall |
>12" to 36" (>V4 but <V8 growth stage) |
— |
| Glyphosate products |
Up to 30" tall (V8 stage) |
— |
Apply to Roundup Ready hybrids only. |
| Halex GT |
Emergence to 30" tall (8-leaf stage) |
— |
— |
| Harmony SG |
2 to 6 leaves up to 12" tall (1 to 4 collars) |
— |
Do not apply to corn >12" tall or having 4 collars. |
| Hornet |
Emergence up to 20" tall (V6) |
20" to 36" tall (V6) |
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| Impact |
Up to 45 days prior to corn harvest |
When necessary |
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| Laddok S-12 |
Spike to 7 leaves or up to 12" tall |
— |
— |
| Laudis |
Emergence up to V8 stage |
— |
— |
| Liberty/Ignite 280 |
Emergence to V5 (5 developed collars) |
>20" to36" tall |
Apply to Liberty Link or GR corn hybrids only. |
| Lightning |
Up to 20" tall |
When necessary |
Apply to IMI or CL corn hybrids only. Do not apply within 45 days of corn harvest. |
| Marksman |
Emergence to 5-leaf stage or up to 8" tall |
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— |
| NorthStar |
4" to 20" or 6 collars |
>20" to 30" tall |
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| Option |
Emergence to 16" (V5 stage) |
>16" to 36" tall |
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| Permit |
Spike to 48" tall |
When necessary |
If tank-mixed: with 2,4-D, apply to corn up to 8" tall; with Banvel or Clarity, apply to corn up to 36" tall. |
| Ready Master ATZ |
Up to 12" tall |
— |
Apply to Roundup Ready hybrids only. |
| Require Q |
>4" to <20" tall |
— |
— |
| Resolve |
Up to 12" tall (<6 collars) |
— |
— |
| Resolve Q |
Up to 20" tall |
— |
— |
| Resource |
2-leaf to 10-leaf stage (collars must be visible) |
When necessary, to direct below corn leaves |
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| Roundup products |
Up to 30" tall (V8 stage) |
— |
Apply to Roundup Ready hybrids only. |
| Sencor |
Emergence to pretassel |
When necessary |
See tank-mix partner. |
| Shotgun |
Spike to 4 leaves or up to 8" tall |
5 leaves or 8" to 12" tall |
— |
| Spirit |
4" to 20" tall or 6 collars |
>20" to 24" tall |
— |
| Status |
4" to 36" tall (V2–V10) |
— |
Do not apply within 15 days before tassel emergence. |
| Steadfast |
Up to 20" tall (6 collars) |
— |
Best if applied when corn is <12" tall. |
| Steadfast ATZ |
Up to 12" tall (6 collars) |
— |
— |
| Stout |
Up to 16" tall (<6 collars) |
— |
— |
| Touchdown |
Emergence through V8 stage |
— |
Apply to Roundup Ready hybrids only. |
| Yukon |
Spike to 36" tall |
When necessary |
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