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Certified seed potatoes are tubers which are grown specifically for reproduction in a controlled environment to ensure the reduction of disease introduction. Genetic purity and disease control are maintained through the use of laboratory testing, greenhouse techniques and limited generation production. Once potato mini-tubers or plantlets are planted in the field, they are entered into one of the 16 seed potato certification programs across the U.S. Entry into a certification program means the field or lot of potatoes undergoes numerous inspections for bacterial, viral, and fungal diseases, as well as varietal mixture, and adheres to strict tolerances established by state and federal regulations.
As a way to maintain vigor and reduce the buildup of disease, seed potatoes produced in the U.S. are limited in the number of years they can be recertified. Most seed lots are planted no more than five years from the mini-tubers or transplant stage before they are "flushed out" of the certification program. This helps ensure the vigor and health of seed potatoes produced in the U.S.
| Alaska Plant Materials Center |
| William Campbell |
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| HC04 Box 7440 |
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| Palmer, AK 99645 |
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| 907.745.4469 |
| 907.746.1568 |
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| bill_campbell@dnr.state.ak.us |
| www.dnr.state.ak.us/ag/ag_pmc.htm |
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| California Crop Improvement Association |
| Pablo Guzman |
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| Univeristy of California, Davis |
| One Shields Avenue |
| Davis, CA 95616-8541 |
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| 530.754.9649 |
| 530.752.4735 |
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| pguzman@ucdavis.edu |
| ccia.ucdavis.edu |
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| Nat'l Mgr, Potatoes, Seed Cert & Plant Protection |
| Cameron Duff |
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| Canadian F |
| 59 Camelot Drive |
| Ottawa, CANADA K1A 0Y9 |
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| 613.225.2342 |
| 613.228.6628 |
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| duffc@inspection.gc.ca |
| www.inspection.gc.ca/english/plaveg/protect/dir/d-94-12e.shtml |
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| Potato Certification Service |
| Kent Sather |
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| San Luis Valley Research |
| 0249 E. Rd. 9 N. |
| Center, CO 81125 |
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| 719.754.3496 |
| 719.754.2619 |
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| ksather@lamar.colostate.edu |
| coloradopotato.org/seed/ |
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| Idaho Crop Improvement Association |
| Doug Boze |
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| 1680 Foote Drive |
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| Idaho Falls, ID 83402 |
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| 208.522.9198 |
| 208.529.4358 |
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| dboze@idahocrop.com |
| www.idahocrop.com |
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| Maine Department of Agriculture |
| Robert Batteese |
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| Division of Plant Industry |
| 28 State House Station |
| Augusta, ME 04333 |
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| 207.287.3891 |
| 207.287.7548 |
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| robert.batteese@maine.gov |
| www.state.me.us/agriculture/pi/mspb/#Sliverskip |
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| Michigan Seed Potato Association |
| Jeff Axford |
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| P.O. Box 1865 |
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| Gaylord, MI 49734 |
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| 989.732.4433 |
| 989.732.4770 |
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| mspa@i2k.com |
| www.mipotato.com/mspa/ |
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| Minnesota Dept. of Agriculture Potato Inspection |
| Mike Horken |
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| 312 4th Avenue, NE |
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| East Grand Forks, MN 56721 |
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| 218.773.4956 |
| 218.773.4959 |
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| mn.seed@state.mn.us |
| www.mnseedpotato.org |
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| Montana Seed Potato Certification Program |
| Nina Zidack |
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| 223 Plant Growth Center PO Box 172060 |
| MSU-Bozeman |
| Bozeman, MT 59717-2060 |
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| 406.994.3150 |
| 406.994.6042 |
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| nzidack@montana.edu |
| www.montanaspud.org |
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| Potato Certification Association of Nebraska |
| Gary Leever |
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| P.O. Box 339 |
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| Alliance, NE 69301 |
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| 308.762.1674 308.760.1231 |
| 308.762.1674 |
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| gleever@nebraskapotatoes.com |
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| New York Seed Improvement Project |
| Alan Westra |
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| 103C Leland Lab |
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| Ithaca, NY 14853 |
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| 607.255.9869 |
| 607.255.9048 |
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| aaw4@cornell.edu |
| seedpotato.newyork.cornell.edu/ |
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| North Dakota State Seed Department |
| Kent Bertsch |
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| State University Station |
| P.O. Box 5257 |
| Fargo, ND 58105-5257 |
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| 701.231.5435 |
| 701.231.5401 |
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| kbertsch@state-seed.ndsu.nodak.edu |
| www.state.nd.us/seed/potato/default.htm |
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| Oregon Seed Certification Service |
| Jeffrey McMorran |
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| Oregon State University |
| 031 Crop Science Building |
| Corvallis, OR 97331-3003 |
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| 541.737.4513 |
| 541.737.2624 |
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| Jeff.McMorran@oregonstate.edu |
| www.oscs.orst.edu/potato.html |
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| Utah Crop Improvement Association |
| Stanford Young |
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| 4855 Old Main Hill |
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| Logan, UT 84322-4855 |
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| 435.797.2082 |
| 435.797.3376 |
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| sayoung@mendel.usu.edu |
| www.utahcrop.org/ |
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| Washington State Department of Agriculture |
| Tom Wessels |
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| Laboratory Services Division, Plant Services Program |
| P.O. Box 42560 |
| Olympia, WA 98504-2560 |
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| 360.902.1984 |
| 360.902.2094 |
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| twessels@agr.wa.gov |
| agr.wa.gov/PlantsInsects/default.htm |
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| Wisconsin Seed Potato Certification |
| Amy Charkowski |
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| Dept of Plant Pathology, University of Wisconsin-Madison |
| 1630 Linden Drive |
| Madison, WI 53706 |
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| 608.262.7911 |
| 608.263.2626 |
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| amyc@plantpath.wisc.edu |
| www.potatoseed.org/contact.cfm |
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| University of Wyoming |
| Gary Franc |
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| Department of Plant Sciences |
| P.O. Box 3354 |
| Laramie, WY 82071-3354 |
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| 307.766.2397 |
| 307.766.5549 |
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| francg@uwyo.edu |
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