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New Soybean and Cotton Herbicide Technology Considerations

Table 1A. New Soybean and Cotton Herbicide Technology Considerations.

Herbicide Classification Enlist One® General XtendiMax Restricted Use
Active Ingredients 2,4-D choline salt 3.8 lb ae/gal + Colex-D DGA salt of dicamba 2.9 lb ae/gal + VaporGrip
Herbicide Group 4 4
Herbicide Tolerant Crops Enlist Soybean, Enlist Cotton, Enlist Corn Roundup Ready 2 Xtend Soybean, XtendFlex Cotton
Application Timing Preplant, PRE, POST 1.5 to 2 pints/A Preplant, PRE - 44 fl oz/A POST (In-crop) - 22 fl oz/A
Maximum Total Seasonal Use 6 pints/A 88 fl oz/A
Maximum Crop Stage/Size Enlist Soybean - R2 Enlist Cotton - Mid-bloom Enlist Corn - V8/30 inches tall Xtend Soybean - R1 XtendFlex Cotton - 7 days prior to harvest
Weed Size See label for specific weed size recommendations < 4 inches height
Approved Tank Mixtures, Spray Nozzles, and Additives (Consult website no more than 7 days prior to application) EnlistTankmix.com xtendimaxapplicationrequirements.com
Additive Restrictions See label DO NOT tank mix products containing ammonium salts, such as ammonium sulfate or UAN. See label for additional additive restrictions.
Maximum Sprayer Speed See nozzle manufacturer’s recommendations 15 mph
Minimum Spray Volume 10 GPA 15 GPA
Maximum Boom Height Minimum boom height based on nozzle manufacturer’s directions 24 inches above target pest or crop canopy
Maximum Operating Pressure See label for specific nozzles and maximum operating pressure xtendimaxapplicationrequirements.com
Minimum Wind Speed None 3 mph
Maximum Wind Speed 15 mph 10 mph
Wind Speed Restrictions DO NOT apply during temperature inversion DO NOT apply when wind is blowing in the direction of an adjacent sensitive crop. DO NOT apply during temperature inversion
Buffer Requirements 30-foot downwind buffer from sensitive area 22 fl oz/A - 110-foot downwind buffer from sensitive area, 44 fl/A - 220-foot downwind buffer from sensitive area
Time of Day None DO NOT apply between sunset and sunrise
Aerial Applications DO NOT apply aerially DO NOT apply aerially
Record-keeping Requirements General Use Herbicide Consult label for specific record-keeping requirements
County Restrictions Jackson and Tillman Greer, Harmon, Jackson, Kiowa and Tillman

 Table 1B. New Soybean and Cotton Herbicide Technology Considerations. (cont'd)

Herbicide Classification Engenia Restricted Use FeXapan Restricted Use
Active Ingredients BAPMA salt of dicamba 5 lb ae/gal DGA salt of dicamba 2.9 lb ae/gal + VaporGrip
Herbicide Group 4 4
Herbicide Tolerant Crops Roundup Ready 2 Xtend Soybean, XtendFlex Cotton Roundup Ready 2 Xtend Soybean, XtendFlex Cotton
Application Timing Preplant, PRE, POST 12.8 fl oz/A Preplant, PRE - 44 fl oz/A POST (In-crop) - 22 fl oz/A
Maximum Total Seasonal Use 51.2 fl oz/A 88 fl oz/A
Maximum Crop Stage/Size Xtend Soybean - R1 XtendFlex Cotton - 7 days prior to harvest  Xtend Soybean - R1 XtendFlex Cotton - 7 days prior to harvest
Weed Size < 4 inches height or < 2 inches rosette diameter < 4 inches height
Approved Tank Mixtures, Spray Nozzles, and Additives (Consult website no more than 7 days prior to application) engeniatankmix.com wwww.fexapanapplicationrequirements.dupont.com
Additive Restrictions DO NOT apply with any ammonium-containing additives including ammonium sulfate or UAN. See label for additional additive restrictions. DO NOT apply with any ammonium-containing additives including ammonium sulfate or UAN. See label for additional additive restrictions.
Maximum Sprayer Speed 15 mph 15 mph
Minimum Spray Volume 10 GPA 15 GPA
Maximum Boom Height 24 inches above target pest or crop canopy 24 inches above target pest or crop canopy
Maximum Operating Pressure engeniatankmix.com wwww.fexapanapplicationrequirements.dupont.com
Minimum Wind Speed 3 mph 3 mph
Maximum Wind Speed 10 mph 10 mph
Wind Speed Restrictions DO NOT apply when wind is blowing in the direction of an adjacent sensitive crop. DO NOT apply during temperature inversion DO NOT apply when wind is blowing in the direction of an adjacent sensitive crop. DO NOT apply during temperature inversion
Buffer Requirements 110-foot downwind buffer from sensitive area  
Time of Day DO NOT apply between sunset and sunrise DO NOT apply between sunset and sunrise
Aerial Applications DO NOT apply aerially DO NOT apply aerially
Record-keeping Requirements Consult label for specific record-keeping requirements Consult label for specific record-keeping requirements
County Restrictions Greer, Harmon, Jackson, Kiowa and Tillman Greer, Harmon, Jackson, Kiowa and Tillman

a Enlist Duo, a premix of 2,4-D choline salt and glyphosate will follow the same restrictions as Enlist One.

 

Read and follow all label requirements. Consult label for specific and additional requirements and for sprayer clean-out recommendations.

 

Todd Baughman

IAB Weed Science Program Support Leader

 

Misha Manuchehri

Small Grains Weed Specialist

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