TY - BK AU - McDonald,M.B. AU - Copeland,L.O. TI - Seed science and technology laboratory manual SN - 0-8138-0190-7 U1 - 664.70 PY - 1989/// CY - Ames, IA (USA) PB - Iowa State University, KW - Developmental stages KW - Dormancy KW - Germination KW - Pathology KW - Seed production KW - Seed storage KW - Seed testing KW - Seeds N1 - Illustrations, tables ER -