Corn germination and emergence rely heavily on soil temperature. The warmer the soils, the faster emergence occurs. Emergence requires roughly 115 Growing Degree Days (GDDs) accumulated from planting.
4 articles tagged "germination".
Rapid, uniform germination and emergence of corn help set the stage for maximum grain yield at the end of the season.
Successful germination alone does not guarantee successful emergence of a corn crop. Elongation of the mesocotyl must elevate the coleoptile to the soil surface before the inner true leaves emerge from the protective tissue of the coleoptile.
Understanding the sequence of the visual indicators of germination in corn can help troubleshoot emergence problems.