NEWS
Dr. Dan Talks Agronomy
Dan Davidson DTN Contributing Agronomist
Fri May 16, 2014 09:43 AM CDT

Everyone loves to see a nice green corn field emerge, but this year is proving to be a bit more colorful. Those yellow or purple hues in some corn seedlings are mostly an indication of the recent cool temperatures. With a little luck and a shot of warm weather, the crop should quickly grow out of it and forge ahead.

Yellow seedlings are almost always the result of cool and cloudy days. Purple corn takes a little more diagnosis.

Purpling could be related to phosphorus deficiency, cold soil temperatures or variety sensitivity.

The purple color in corn plant tissue results ...

Quick View
  • Crop Tech Corner Researchers have developed GE wheat that yields far better under hot conditions, a wheat gene is ...
  • The Attraction of Youth Combine genotyping with a yearling bull, or even a weanling, and you're less likely to make a poo...
  • Kubota Steps Up A new mid-range, high-horsepower M7 tractor moves this company into the row-crop arena.
  • SCO Sticker Shock Costs and potential disconnect with county yields make the Supplemental Coverage Option a hard se...
  • Clean Water Goes a Long Way Cleaning up 900 feet of a small creek in Kentucky brings rebirth to water once choked with sedime...
  • Beef Checkoff Effort Resumes Members of the eight organizations comprising the Beef Checkoff Enhancement Working Group were se...
  • Ag and Environment Outlook Agriculture continues to watch how the U.S. Environmental Protection Agency implements the propos...
  • Surgery on Plastics Dharma Kodali's goal is to insert soybean oil in the basic ingredient list for PVC plastics.
  • Ask the Vet How should I treat a cow with a swelling on her flank?
Related News Stories
From Good to Great
Zone Offense
Ontario Corn Crop Summary
Exporters Report Corn Sale
Exporters Report Corn Sale
Todd's Take
USDA Reports Soybean Sale
Exporters Report Corn Sale
Top 10 Ag Stories of 2014: 2, 3
Exporters Report Corn Sale