The anatomy, morphology and classification of crop and weed seeds. Introduction to seed technology, history, methods and importance of seed testing (purity, germination, vigour, moisture and health tests). Principles and methods of seed production, pro(The anatomy, morphology and classification of crop and weed seeds. Introduction to seed technology, history, methods and importance of seed testing (purity, germination, vigour, moisture and health tests). Principles and methods of seed production, pro)