Table 3.7.1 Effectiveness of selected corn herbicides on annual weeds

Effectiveness of selected corn herbicides on broadleaf annual weeds

HerbicidesWild BuckwheatCommon LambsquartersWild MustardRedroot PigweedCommon RagweedVelvetleaf
Preplant-incorporated      
*§ Dual II Magnum/*§ CinchPoorPoorPoorFairPoorNone
Pre-emergence      
*§ AAtrex/*atrazine 1ExcelExcel 1ExcelExcel 1Excel 1Fair
CallistoPoorExcelGoodExcelFairExcel
*§ Dual II Magnum/*§ CinchPoorPoorPoorGoodPoorNone
*§ Harness/*§ Surpass NXTPoorFairPoorExcelFairPoor
*§ OutlookPoorPoorNoneGoodPoorNone
*§ Princep 1GoodGood 1GoodGood 1Good 1Fair
ProwlFairExcelFairFairPoorGood
*§ SharpenGoodGoodGoodGoodGoodGood
Postemergence      
Accent Q--PoorGoodGoodPoorPoor
Aim--GoodFairGoodPoorExcel
* Atrazine + oil1ExcelExcel1ExcelExcel1Fair1Good
Banvel/Clarity/DiDlexxExcelExcelGoodGoodGoodGood
* Beacon--FairGoodGoodExcelGood
BuctrilGoodExcelFairPoorFairGood
CallistoPoorExcelGoodExcelFairExcel
Impact--ExcelExcelExcelExcelExcel
LaudisFairExcelExcelExcelExcelExcel
NorthStarGoodGoodGoodGoodExcelGood
Permit--PoorFairGoodExcelExcel
Prowl--GoodPoorGoodNoneExcel
Resolve Q--FairGoodGoodFairFair
Resource--PoorFairPoorFairExcel
Spirit--GoodGoodGoodExcelGood
* StatusExcelExcelGoodGoodGoodGood
Steadfast Q--FairGoodGoodPoorGood
Yukon--ExcelExcelExcelExcelExcel
* Restricted-use pesticide; may be purchased and used only by certified applicators or someone under the direct supervision of a certified applicator.
§ Not for use in Nassau and Suffolk Counties; pesticide labels that indicate “Not for use on Long Island, NY” mean that use is prohibited in Nassau and Suffolk Counties only.
1 Effectiveness ratings for *atrazine and *§ Princep are not accurate for triazine-resistant lambsquarters, pigweed, and ragweed.

Effectiveness of selected corn herbicides on annual grass weeds

HerbicidesBarnyard grassLarge CrabgrassFoxtailsFall PanicumWitchgrassCorn tolerance
Preplant-incorporated      
*§ Dual II Magnum/*§ CinchGoodGoodGoodGoodGoodGood
Pre-emergence      
*§ AAtrex/*atrazine 1GoodPoorFairPoorExcelExcel
CallistoNoneFairNoneNoneNoneExcel
*§ Harness/*§ Surpass NXTExcelExcelExcelExcelExcelGood
*§ Micro-TechExcelExcelExcelExcelExcelGood
*§ OutlookExcelExcelExcelExcelExcelGood
*§ Princep 1GoodGoodGoodGoodGoodExcel
ProwlExcelExcelExcelExcelExcelGood
*§ SharpenNoneNoneNoneNoneNoneGood
Postemergence      
Accent QGoodFairGoodFair--Good
AimNoneNoneNoneNoneNoneGood
* Atrazine + oil1PoorFairPoorFairGoodGood
Banvel/Clarity/DiDlexxNoneNoneNoneNoneNoneFair/Good
* BeaconPoorPoorFairFair--Good
BuctrilNoneNoneNoneNoneNoneGood
CallistoNoneGoodNoneNoneNoneExcel
ImpactGoodGoodFairFair--Good
LaudisGoodGoodGoodNone--Good
NorthStarPoorPoorFairFair--Fair
PermitNoneNoneNoneNoneNoneGood
ProwlFairFairFairFairFairGood
Resolve QGoodFairGoodGood--Fair
ResourceNoneNoneNoneNoneNoneGood
SpiritNoneNoneNoneNoneNoneGood
* StatusPoorPoorPoorPoorPoorExcel
Steadfast QGoodFairGoodGoodGoodGood
YukonNoneNoneNoneNoneNoneGood
* Restricted-use pesticide; may be purchased and used only by certified applicators or someone under the direct supervision of a certified applicator.
§ Not for use in Nassau and Suffolk Counties; pesticide labels that indicate “Not for use on Long Island, NY” mean that use is prohibited in Nassau and Suffolk Counties only.
1 Effectiveness ratings for *atrazine and *§ Princep are not accurate for triazine-resistant lambsquarters, pigweed, and ragweed.