Freezing and near-freezing temperatures have afflicted western and northern Iowa this week. There have been reports of frost damage to both corn and soybean seedlings, although most of Iowa’s corn is at the second vegetative growth stage or less and most of the soybean has not emerged yet. Imbibitional chilling is still a concern for seeds that have not germinated.
Iowa State University
Licht, Mark A. and McGrath, Clarke, "Imbibitional Chilling and Frost Damage to Corn and Soybean Seedlings" (2014). Integrated Crop Management News. 837.
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