Plant breeding is a science of producing desired varieties by exploiting genetic structure of plant applying the principles of genetics, initial work was started quite earlier during initiation of agriculture but in the 19th the century. Gregor Mendel gave the principle of heredity since then major evolution have started in this field. In 20th century this laws were applied for the improvement of plants, through various methods characters such as; disease and insect resistance, heat and drought tolerance, high yield, adaptation are raised. One of the major applications of Plant breeding is it helps to fulfill global food security.This book contains information about the plant breeding, its methods, application, history, aim, objectives, hybridization methods, pollination methods etc. which helps us to manipulate genetic structure of plant or crops. Book carry vital information regarding certain important topics related to plant breeding and their easy understanding and to the point information is provided. This book has been illustrated with plant breeding topics which are covered with colored photographs, tables which are presented in new style and format.