Integrated Crop Management News

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Replanting Corn – How Do You Get Rid of the Existing Stand?

June 1, 2008

By Mike Owen, Department of Agronomy

The recent deluge of water has destroyed many corn fields and if the previously applied herbicide requires that corn be replanted, how do you kill the existing poor stand?

If the corn hybrid was a known herbicide resistant cultivar, your options are somewhat limited. If the hybrid was Roundup Ready®, the use of Liberty® or paraquat are not likely to consistently control the emerged corn.

Replant Options in Corn Fields

June 1, 2008
Table of herbicides that can control existing corn stands

By Mike Owen, Department of Agronomy


Given the recent bad weather, it is likely that a number of corn fields will be considered for replanting to soybean. However, before this is considered, two things must be resolved; first, how will you remove the existing corn stand and second, was there a residual herbicide treatment applied to the corn?


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