Conventional plant breeding techniques have existed since prehistoric times. As times have evolved and new techniques and advancements in genetics and molecular biology have been developed, plant breeding is now carried out by using molecular genetic tools. Techniques may vary from promoting desirable characteristics in plants to increasing crop yield. This book provides comprehensive insights into the field of crop breeding. It aims to shed light on some of the unexplored aspects of genetics and breeding of crops and the recent researches in this field. It is an essential guide for both academicians and those who wish to pursue this discipline further.