Commercial Seed Lot Evaluations
As a service to Washington potato growers, the Potato Research Group undertakes annual Commercial Seed Lot Evaluations to ensure a high-quality, disease-free industry. Results of annual professional evaluations of commercial potato seed lots are presented on this site as well as at the annual WSU Potato Field Day each June.
Results in PDF format from previous years
For more information about the Commercial Seed Lot planting
South Basin
Tim Waters, 509.545.3511
Mark Pavek, 509.335.6861
Zach Holden, 509.335.3452)
North Basin
Carrie Huffman Wohleb, 509.754.2011
Mark Pavek, 509.335.6861
Zach Holden, 509.335.3452
Other resources
United States Standards for Grades of Seed Potatoes – a USDA reference publication.
Addresses & Travel Directions
WSU Pullman
Dept. of Horticulture
149 Johnson Hall
P.O. Box 646414
Pullman, WA 99164-6414
WSU Othello IAREC
1471 W. Cox Rd.
Othello, WA 99344