Postemergence herbicides for corn

HerbicideActionTimingRate/AAdditive
AtrazineBroadleaf + grassCorn < 12", broadleaves 2-6", grass < 1"1.4-2.2 lbCOC 1qt
AccentBroadleaf + grass Corn up to 20", broadleaves < 4", grass < 3"0.67 ozCOC 1gal/100 **
Accent GoldBroadleaf + grassUp to V6, weeds 1-3"2.9 ozCOC 1 gal/100 gal, 28%N 1-2 qt
Aim Broadleaf2 leaf to 48"1.5 oz NIS 1 qt/100 gal, COC 1 gal/100 gal or 28% 2-4 qt/a
Banvel BroadleafCorn spike to 5"*0.5-1.0 ptNot common **
BasisBroadleaf + grass Corn spike to 2-collar, 4-leaf0.33 ozCOC 1-2 gal/100+UAN 1-2qt/100 **
Basis Gold Broadleaf + grass Up to V6, weeds 1-3"14 ozCOC 1-2 gal/100 **
BeaconBroadleaf + shattercaneCorn 4-20", broadleaves < 4", grass < 3"0.38-0.76 oz COC 1 qt**
BunctrilBroadleafCorn 2-leaf to V6, broadleaves 2-6"1.0-1.5 pt
CelebrityBroadleaf + grassCorn 4-36" ****6.67 ozNIS 1-2 qt/100 gal + UAN 2-4 qt/a **
Celebrity PlusBroadleaf + grassCorn 4-24" ****4.7 oz/aNIS 0.25-0.5% + UAN 1-2 at/a **
ClarityBroadleafCorn 8-24" *0.5-1.0 ptNot common **
Contour ***Broadleaf + grassCorn V6, weeds to 3"1.33 ptCOC 1.5-2 pt + UAN 1-2 qt **
ConnectBroadleafCorn after emergence and prior to tassel1.25-1.87 lb/aCOC 1% v/v
DistinctBroadleaf + some grass Corn 4-24" *4-6 ozNIS 1 qt/100gal +UAN 5 qt/100 gal**
Dual II Broadleaf + grass Layby 1.5-3 pt
ExceedBroadleafCorn 4-20", broadleaves 2-12"1.0 ozCOC 1 qt **
Extrazine II DF Broadleaf + some grass Corn before 5-leaf, grass 1" or less1.8-2.2 lbNIS 1 qt **
Hornet BroadleafCorn spike to 20", broadleaves <8"1.6-4.0 ozNIS 1qt/100gal COC 1gal/100gal
Hornet WDGBroadleafCorn spike to 20", broadleaves, 8"2.0 -5.0 oz NIS 1qt/100gal COC 1gal/100gal
Laddok S-12BroadleafCorn < 12", broadleaves 2-4"1.3-2.3 ptCOC 1 qt **
Liberty ***Broadleaf + grassWeeds 1-4"24-28 ozAMS 3 lb
Liberty ATZ ***Broadleaf + grassCorn < 12"40 ozAMS 3 lb
Lightning ***Broadleaf + grassCorn to 12", weeds up to 4"1.28 ozNIS 1qt + UAN 1-2 qt
MarksmanBroadleafCorn before 5- leaf stage2.0-3.5 ptCOC 1 qt **
NorthstarBroadleaf + some grassCorn 4-20" *5 ozNIS 1 qt/100 gal **
PermitBroadleafCorn spike to 20", broadleaves 2-6"0.66-1.33 ozCOC 1 gal/100 **
PoastGrassGrass < 8"1.0 ptCOC 1 qt **
ProwlSome broadleaf + grass unemergedCorn spike to layby,1.8-3.6 pt
PursuitBroadleaf + grassWeeds < 4"4 ozCOC 1.5-2 pt + UAN 1-2 qt **
Resource Broadleaf Corn 2-10 leaf, broadleaves <4” 4-6 ozCOC 1 qt **
Roundup Ultra ***Broadleaf + grassCorn up to 24” 24-42 oz 8.5 -17 lbs AMS/100gal
Roundup Ultramax *** Broadleaf + grass Corn up to 24” 20-40 oz 8.5 -17lbs AM/100gal
Sencor Broadleaf Corn up to 8”, broadleaves 2-4” 1.5-2 oz 28%N 2-4 qt
Spirit Broadleaf + some grass Corn 4-20” 1 oz NIS 1-2 qt/100 + 28% N .5-1 gal
Steadfast Broadleaf + grass Corn up to 12” or < 6 collar0.75 oz COC 1 gal/100 gal, 28% N 2 qt
Treflan Grass Corn 2-leaf to layby, weeds unemerged 1.5-2.0 pt
2,4-D Amine Broadleaf When corn is small * 1-2 pt
* Corn over 8", use drop tips** Other additives may be used, check label
*** Requires herbicide-resistant corn hybrid**** Corn over 20", use drop nozzles