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Survey of potato spindle tuber viroid in seed potato growing areas of the United States |
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| Authors: | Mike Sun Susan Siemsen William Campbell Pablo Guzman Robert Davidson Jonathan L. Whitworth Terry Bourgoin Jeff Axford Willem Schrage Gary Leever Alan Westra Steve Marquardt Hossien El-Nashaar Jeff McMorran Oscar Gutbrod Tom Wessels Robert Coltman |
| Affiliation: | 1. Montana Seed Potato Certification, Montana State University, P.O. Box 172060, 59717, Bozeman, MT 2. Alaska Plant Materials Center, HC04 Box 7440, 99645, Palmer, AK 3. California Crop Improvement, Parsons Seed Certification Center, University of California, 1 Shields Ave., 95616-8541, Davis, CA 4. Colorado Potato Certification, San Luis Valley Research Center, 0249 E Road 9 N, Center, 81125, CO 5. Idaho Crop Improvement, 1680 Foote Dr., 83402, Idaho Falls, ID 6. Maine Dept. of Agriculture, 28 State House Station, 04333-0028, Augusta, ME 7. Michigan Seed Potato Assn., P.O. Box 1865, 49734, Gaylord, MI 8. Potato Inspection, Minnesota Dept. of Agriculture, 312 Fourth Ave. NE, 56721, East Grand Forks, MN 9. Potato Certification Association of Nebraska, P.O. Box 339, 69301, Alliance, NE 10. New York Seed Improvement Project, Cornell University, 103 C Leland Lab, 14853, Ithaca, NY 11. North Dakota State Seed Dept., P.O. Box 5257, 58105-5257, Fargo, ND 12. Oregon Seed Certification Service, Oregon State University, 031 Crop Science Bldg., 97331-3003, Corvallis, OR 13. WSDA Plant Services Program, P.O. Box 42560, 98504-2560, Olympia, WA 14. Wisconsin Seed Certification Program, P.O. Box 328, 54409-0328, Antigo, WI |
| Abstract: | Fourteen United States (U.S.) seed potato certification agencies surveyed all U.S. seed potato growing areas for presence of the potato spindle tuber viroid (PSTVd). The survey included general surveillance, which involved searching for the occurrence of PSTVd in state seed potato certification records from 1990 through 2000, and a field survey, which involved testing selected crops for PSTVd infection by nucleic acid dot blot hybridization during 1999 through 2001. No PSTVd incident was documented in any of the state certification records, nor was PSTVd detected in the field surveys. All U.S. seed-growing areas were determined to be free of PSTVd. It is concluded that PSTVd has been eradicated and freedom from potato spindle tuber viroid has been successfully maintained in all of the seed potato growing areas in the United States. |
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