Cooperative
Extension
Service


University of Illinois
at
Urbana-Champaign


No. 12/June 13, 1997

Causes of Purple Corn

In cool, wet springs, we receive reports of "purple corn." Many corn hybrids turn purple as a response to stress. Some causes of purple corn are low soil phosphorus and poor root-system development. Usually, when the stress is removed, the plants turn green again.
Aaron Hager, andMarshal McGlamery, Department of Crop Sciences, (217)333-4424