​Zebra Chip Disease of Potatoes

July 2010 | 19 min., 34 sec.
by Gary Secor
North Dakota State University


​This presentation will provide an overview of this new disease of potatoes that has become important in the southwestern and midwestern regions of the United States since its discovery in the mid-1990s. The presentation is intended to help educate growers, consultants, practitioners, and allied industry personnel identify and understand the basic aspects of zebra chip. The presentation shows numerous color photos of disease symptoms and explains the field aspects (including host range, pathogen, and vector) and management practices that will help manage this disease.​

About the Presenter

Gary SecorGary Secor received both his BS and MS degrees from Montana State University and his PhD degree in Plant Pathology from the University of California, Davis in 1977. He has been at North Dakota State University since 1978 and is a Professor in the Plant Pathology Department. His main areas of research have been potato disease diagnosis, disease management, and variety development. He served as interim director of the potato-breeding program at NDSU for 3 years. Recent work has concentrated on late blight management, fungicide resistance management in potatoes and sugar beets, post-harvest dry rot and blemish diseases of potatoes, the expanding host range of Fusarium graminearum, and unraveling the zebra chip complex.​​

Contact Information:
Email: gary.secor@ndsu.edu


In 2020, Grow webcasts had more than 110,000 views. Help support our mission to provide comprehensive high-quality, science-based resources to and for plant health researchers and practitioners at no cost.

PDMR submission guidelines and schedule information are available online.


Plant Health Progress is a peer-reviewed multidiciplinary, online journal of applied plant health.