Sugar End Disorder and Stem-End Chip Defect Stress Factors and Management

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 take. Hosted by SpudSmart Magazine.