A hard freeze last weekend resulted in leaf loss in emerged corn seedlings across central and northern Iowa. Several recent articles in ICM news provide insight on the situation. Photos 1 and 2 here show damage in one field in Story County; corn was at about V2 when the frost occurred.
Iowa State University
Elmore, Roger and Abendroth, Lori, "Splitting Corn Seedlings to Assess Plant Viability" (2010). Integrated Crop Management News. 441.
The Iowa State University Digital Repository provides access to Integrated Crop Management News for historical purposes only. Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user. Users should make their own assessment of the information and whether it is suitable for their intended purpose. For current information on integrated crop management from Iowa State University Extension and Outreach, please visit https://crops.extension.iastate.edu/.