By Sarah Lancaster, Extension Weed Science Specialist
As we head into September, some producers are thinking about seeding winter cover crops in fields currently planted to corn.
The successful establishment of winter cover crops is influenced by several factors that are discussed in a previous eUpdate (New cover crop factsheet discusses planting cereal rye after corn harvest ahead of soybean - https://bookstore.ksre.ksu.edu/pubs/MF3504.pdf).
This article will provide some additional details about cover crop responses to various herbicides.
Cover crop response to herbicides will be influenced by a number of factors, including biological and biochemical characteristics of the plant, chemical characteristics of the herbicide, and weather conditions since herbicide application.
Table 1 summarizes the response of selected cover crops to selected herbicides.
A field bioassay is the most reliable method to determine crop response to potential herbicide residues.
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