1. Agriculture and Agri-Food Canada; Potato Research Centre; PO Box 20280 Fredericton NB Canada E3B 4Z7
2. Dep. of Environmental Science; Nova Scotia Agricultural College; PO Box 550, 21 Cox Rd. Truro NS Canada B2N 5E3
3. Dep. of Engineering; Nova Scotia Agricultural College; PO Box 550, 21 Cox Rd. Truro NS Canada B2N 5E3
4. Dep. of Plant, Soil and Environmental Science; Univ. of Maine; 114 Deering Hall Orono ME 04469
5. McCain Foods (Canada); P.O. Box 11400, Trans Canada Hwy. Grand Falls NB Canada E3Z 3E3
6. McCain Foods (Canada); 107 Main St. Florenceville NB Canada E7L 1B2
7. Crops and Livestock Research Centre; Agriculture and Agri-Food Canada; 440 University Ave. Charlottetown PE Canada C1A 4N6
8. Brandon Research Centre; Agriculture and Agri-Food Canada; Grand Valley Rd. Brandon MB Canada R7A 5Y3