The Pioneer Stress Test (PST) is a proprietary vigor test used on all Pioneer® brand corn products
Pioneer Stress Test and field trial results are used to assign stress emergence ratings that characterize a hybrid’s genetic potential to tolerate cold, wet conditions and germinate normally
The Pioneer Stress Test allows for optimal characterization of seed quality, which helps to ensure growers get the highest quality seed for planting
Authors: Ross Ennen, Sr. Research Associate - Seed Science; Eric Thorson, Supply Chain Manager; Mark Jeschke, Agronomy Manager; Neal Hoss, Product Line Manager – Corn; and Jeremy Johnson, Global Seed Production Research Lead.
The foregoing is provided for informational use only. Please contact your Pioneer sales professional for information and suggestions specific to your operation. Product performance is variable and depends on many factors such as moisture and heat stress, soil type, management practices and environmental stress as well as disease and pest pressures. Individual results may vary. Pioneer® brand products are provided subject to the terms and conditions of purchase which are part of the labeling and purchase documents. CF210302