With input from virtually all biological disciplines and applications to all the crops, seed occupies a pivotal role in agricultural science. Recognizing the importance of seed quality and to keep pace with the phenomenal expression in Seed Science and Technology the book has been the necessity. The book provides comprehensive and integrated information on seed technology in how-to-do-it manner, especially for students and young people involved in seed production, seed testing, seed industry and teaching. Besides agricultural universities seed technology has been introduced as a subject at B. Sc. and M. Sc. levels in traditional universities and other colleges. This book will be of immense use for all the students offering the course.