By Steven B. Johnson, Ph.D., Extension Crops Specialist, University of Maine Cooperative Extension For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Table of Contents: Choose Disease-Free Seed Physiological Age of Seed Precutting Seed Cutting Seed Pieces Table: Precutting and Holding Temperatures for Precutting Seed Proper Seed-Piece