​​​Potato Mop-Top Virus: An Emerging Problem in Potato Production​

January 2014 | 7 min., 31 sec.
by Jim Crosslin
USDA-ARS

Summary

​This presentation will provide consultants, growers, and other practitioners in U.S. potato-growing regions with important information on Potato mop top virus (PMTV). This virus has traditionally been most important in northern Europe and parts of South America, but it has been reported relatively recently in several areas of Canada and the United States, including Maine, North Dakota, Washington, and Idaho. Anecdotal reports from growers and processors suggest that the virus is increasing in importance in several potato-growing regions. This presentation will illustrate the various types of symptoms produced by PMTV and provide some guidelines for management of this soilborne virus.

About the Presenter

Jim CrosslinJim Crosslin obtained a Bachelor’s degree in Agronomy from California Polytechnic, Pomona, in 1981; a Master’s degree in Plant Pathology from Montana State University in 1984; and a PhD in Plant Pathology from Washington State University in 1990. He has worked on virus diseases of barley, tree fruits, hops, beans, and, most recently, potatoes. Dr. Crosslin has been a Research Plant Pathologist with the USDA Agricultural Research Service in Prosser, Washington, since 2003, with responsibilities for virus and virus-like diseases of potato. Much of his research is on Potato virus Y, Tobacco rattle virus, Potato mop top virus, and diseases caused by phytoplasmas. More recently, most of his work has been on zebra chip disease of potatoes, which is caused by a bacterium transmitted by the potato psyllid.​

Contact Information:
Email: jim.crosslin@ars.usda.gov

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