Tillage often reduces the risk of foliar diseases because tillage promotes the breakdown of previous crop residue, which harbors sources of inoculum for many foliar diseases. Field location and hybrid susceptibility also must be considered when determining to apply foliar fungicides. (provide a link to ladder).
For more information on this or other topics related to corn production, contact your state extension corn specialist or your local extension educator/agent.
The following is the link to the corn extension specialists: state extension corn specialist
