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Synopsis Citrus is a highly technical crop and its successful and profitable cultivation totally dependant on the scientific cultivation technologies. Survey of the literature available indicated for an urgent need of a comprehensive compilation of citrus technologies in a book form for the benefit of, not only citrus growers, but also for the research worker, students and planners. The present book incorporates the latest finding on citrus with especial reference to Indian citriculture of practical importance covering the technologies at nursery level, citrus production, protection, post-harvest technologies and marketing in 35 chapters. Experts of citrus in their respective field have contributed the chapters to this volume. A general scenario of citrus industry of India, its problems and prospects has been discussed in first chapter as an introduction to Indian citriculture. Northeastern part of India is supposed to be the natural home of citrus, in chapter 2 and 3, citrus germplasm wealth of India and its morphology and taxonomy is discussed. It is followed by achievements and prospects in citrus improvement, rootstocks and soil suitability for citrus. Disease free nursery stock is the backbone of citrus industry. Procedures and technologies have been discussed of nursery management, biotechnological approaches, orchard planning and establishment. Production technologies including citrus nutrition, biofertilizer use, water conservation and management, fertigation, drainage problems, weed control, fruit drop management, intercropping, citrus flowering and allelopathy have also been discussed in details as separate chapters. A separate chapter on Citrus decline has been included in illustrate various factors responsible for Citrus decline in India. Citrus protection problems have been reviewed with especial reference to Indian conditions with regard to insect-pests, fungal, bacterial and viral diseases and their integrated management. Citrus is highly perishable fruit. Traditional and nonscientific harvesting, handling, transport, storage and marketing incur huge post-harvest losses and technical post-harvest management of citrus is often neglected in India. Chapters 28 to 33 have been included to highlight the importance of post-harvest technology of fresh citrus fruits, post-harvest disease management, processing and waste utilization, biochemical problems in citrus processing and waste management and marketing of citrus in India. The chapter on extension approaches for quality production of citrus would be useful to extension personnel for adopting the strategies in technology dissemination. The last chapter provides the calendar of operations for citrus as ready reckoner for citrus growers and extension personnel. We hope that the book will be useful to citrus growers, students, teachers, researchers, planners, administrators, extension personnel and others related to citrus as a comprehensive source of information about citriculture in India.