MEDIA ALERT Planting Delays Raise Concern About Hybrid Maturity Switches

Due to recent wet weather across parts of the Corn Belt, growers anxiously await planting the 2011 corn crop. These delays can limit the number of growing days from the crop, prompting questions about switching to earlier hybrids.

Long-term studies by both Pioneer Hi-Bred, a DuPont business, and universities show a clear yield and profit advantage for full-season hybrids. These studies included a range of hybrid maturities across planting dates extending from April through June. For additional information on hybrid switches, click here or read a recent Pioneer Crop Insights on hybrid switches.

Pioneer experts say growers should base hybrid changes on expected returns including yield, drying costs and test weight discounts. Growers should limit switching to earlier maturities to extreme late-plant or replant situations.

Growers also should be aware that changing to earlier products too soon might result in serious yield and profit penalties. Full-season hybrids typically make full use of a growing season. Even when planted late, full-season hybrids often outperform early-maturing hybrids, adjusting growth and development to reach maturity in a shortened growing season.

For more information, or to schedule an interview with a Pioneer agronomist in your coverage area, please contact Jerry Harrington at 1 800-247-6803, ext. 56908 or [email protected].

For additional timely insights, visit Pioneer's agronomy resource library at