Synopsis Orchids are primarily valued for their beautiful and intriguing flowers. In the global market cut flowers and potted flowering plants of orchids occupy a very important place. Moreover, the international trade on these crops are advancing very steadily and search for newer materials are rising irresistibly. Orchids also play many beneficial roles in human life as medicine, phytochemicals, spice, flavouring agent and food. Interest on orchids has increased manifold over the years and marked accomplishments have been made through scientific research and investigations. To stimulate the development of an enquiring mind, this book is organized in 19 comprehensive chapters to review, streamline and highlight the achievements on orchids. It provides a wealth of fascinating information on 110 important and interesting genera, 400 species and many hybrids of orchids. This book also furnished extensive review chapters on history, evolution, classification, propagation, pollination, breeding, agrotechnology, green houses, in-vitro seed culture, tissue culture, post-harvest technology and plant protection. This publication is intended to be comprehensive source of information to amateur and professional growers, exporters, orchid industries, horticulturists and also concerned students, teachers and researchers.