CONTENTS:- 1. Seed and Man-An Introduction. 2. Seed Development and Maturation. 3. Seed-The Structural Function and Biochemical Variations. 4. Physiology of Seed Germination. 5. Seed Germination under Various Abiotic Stresses. 6. Physiology and Biochemistry of Seed Germination and Vigour Due to Seed Management Technologies. 7. Physiological Seed Conditioning-An Overview. 8. Seed Dormancy. 9. Ecological Aspects of Germination. 10. Physiological Mechanism of Seed Deterioration. 11. Seed Vigour. 12. Tree Seed Physiology. 13. Seed Source on Tree Seed Quality. 14. Seed Testing for Tree Crops.