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