Plant biology is the sub-discipline of biology that is concerned with the scientific study of plants and their biological processes. It is a multidisciplinary subject integrating principles of different areas of science and technology. It explores the study of plant structure, growth, differentiation, reproduction, diseases, evolution, taxonomy, etc. Such studies are made using multiple techniques of optical microscopy, live cell imaging, plant chemistry and chromosome number analysis, besides others. Botany has wide applications in agriculture, forestry and horticulture. It is also crucial for the production of commercial products like staple foods, fiber, drugs, rubber, etc. It also has relevance in energy production, environmental management and in the maintenance of biodiversity. This book strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. The aim of this book is to present researches that have transformed this discipline and aided its advancement. Those who want to broaden the expanse of their knowledge will be immensely assisted by it.