Farm Progress

What's your corn stress emergence rating?

If you use Pioneer corn hybrids, the company provides a helpful took for determining how well different hybrids will emerge in stressful environments.

April 24, 2013

1 Min Read

There are several factors that can contribute to stand loss in corn, including cold or wet soils, insect feeding, and adverse weather conditions.

An important step in evaluating these emergence issues is to determine the cause of the current variability and to prevent similar problems from happening in the future. The time investment can help ensure better corn germination and emergence in the future.
DuPont Pioneer provides stress emergence ratings, which categorizes hybrids for their potential to emerge under stressful conditions relative to other Pioneer hybrids. The ratings are intended as a general guideline, and growers should consider specific field conditions when making hybrid decisions.
It is important to note that the level of early season stress tolerance is limited in corn. Thus, even hybrids with strong stress emergence will experience some level of injury and stand loss if the conditions are sufficiently severe.
The Pioneer Field360 Notes app allows you to track your early season scouting notes. It streamlines and organizes field-by-field agronomic information for communication between DuPont Pioneer agronomists, sales professionals and growers. The tool is compatible with all tablet and mobile devices.
For more information related to corn emergence, including how to determine when to replant, visit

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