Do your own research.
Any grass under perfect conditions can produce purrasic acid.
With that disclaimer corn is not supposed to be known to cause purasic acid problems.
I have searched on the internet but nothing about corn . Cousin fixing to run 8-900 stockers on rye grass planted after corn . Corn spilled or lost during shelling has sprouted and with cold weather around the corner he was wondering . He is located in LA , that's Lower Alabama for you Yankees