Plant biotechnology complements plant breeding efforts by increasing the diversity of genes and germplasm available for incorporation into crops and by significantly shortening the time required for the production of new cultivars, varieties and hybrids. This book has covered a range of syllabus and the student finds an easy way to go through this book content. This guide book has been prepared for students that they have acquired or gain fair knowledge of Plant biotechnology and easy presentation of language has written for a proper understanding of each and every topic. This book would serve not only for undergraduate but postgraduate students of biotechnology and also research scholar of various universities.