Residual control through canopy

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After excessive rain at planting, it’s common to question whether the herbicide you applied preemergence will deliver enough residual control into the growing season. Especially in seasons with delayed planting and spraying, you should apply an additional residual herbicide early postemergence to control weeds through canopy.

In seasons with a lot of rainfall, weeds have a longer germination period than normal and the residual length of early applied herbicides may be shortened. When the length of residual control is threatened, weeds are given the chance to grow with young corn plants and rob yield because there isn’t shade from corn canopy yet. You must carefully scout cornfields and apply an additional residual herbicide early postemergence to prevent late flushes of waterhemp and giant ragweed from competing with corn later in the season.

The program approach of SureStart^® II herbicide applied preemergence followed by Resicore^® herbicide early postemergence provides four modes of action to control the toughest weeds in corn, including herbicide-resistant species. Plus, you can add atrazine and glyphosate to the program for six different modes of action. Resicore is designed to control emerged weeds with extended residual control to control late weed escapes.

^{™ ® Trademarks of Dow AgroSciences, DuPont or Pioneer, and their affiliated companies or their respective owners. Resicore and SureStart II are not registered for sale or use in all states. Resicore and SureStart II are not registered for sale, distribution or use in Nassau and Suffolk counties in the state of New York. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions. © 2019 Corteva.}