AgronomySpud Smart Webinar: Sugar End Disorder and Stem-End Chip Defect Stress Factors...

Spud Smart Webinar: Sugar End Disorder and Stem-End Chip Defect Stress Factors and Management Practices

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Sugar ends is a physiological disorder that can occur at a tuber’s bud or stem end. The disorder’s symptoms usually aren’t apparent until the tuber’s exposure to colder temperatures — around 10 C or below. The stress that causes the disorder’s development occurs early in the growing season and may be difficult to determine.

Stem-end chip defect is another serious threat affecting tuber quality for chip potato growers. What are the causes of sugar end/jelly end rot and stem-end chip defect and what management strategies can be taken?

Points covered in webinar:

  • Review of sugar end disorder
  • Key stress factors causing sugar end/jelly end rot development
  • Management practices to help reduce sugar end disorder
  • Review of stem-end chip defect
  • Causes of stem-end chip defect
  • Varietal differences in resistance to defect formation
  • Potential for biotech potatoes to reduce the severity of stem-end chip defects and sugar end defects

Register here

Guest Speakers

Mike Thornton

Mike Thornton is a professor of plant science at the University of Idaho. He specializes in plant physiology, potato and onion agronomy, and handling and storage management. Mike conducts applied research to resolve production issues identified by the potato and onion industries.

 

 

 

Paul Bethke

Paul Bethke is a scientist with the USDA Agricultural Research Service and an associate professor at the University of Wisconsin. His research focuses on how genotype and environmental conditions during growth and storage influence the quality of potatoes.

 

 

 

 

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