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Synopsis Indian silk industry has registered an impressive growth, both horizontal and vertical through planned approaches and emerged as the second largest producers of silk in the world only after China. Silkworm seed, which forms the basic foundation and backbone of sericulture industry, plays a decisive role in the production of silk. To meet the requirement of sericulture farmers to produce 15848 MT of raw silk or 139616 MT of reeling cocoons, the country requires about 35 chore disease free commercial silkworm seed. These seeds are produced mostly in sub-tropical and tropical regions. The information available on the technologies of seed production in Japanese and Chinese literature relates basically to temperate and sub-temperate climates. There is no-up-dated compendium besides accumulated information which related to various strategies of seed production for tropical region. The book “Principles and Techniques of silkworm seed production tries to unveil the secrete of seed production suitable for tropical and sub-tropical region. Spread over 10 chapters, the book deals with a plethora of subjects touching all aspects of seed production. The book has a wide coverage on disinfections, seed multiplication, organization, oviposition, preservation, embryogenesis, dispause, heterosis and disease management. Also included are the details on mulberry cultivation for seed crop, soil and fertilizer application, silkworm races, artificial hatching, incubation, metabolic changes during embryogenesis etc. a large number of Tables arealso included to explain these aspects. Particular stable cocoon crop and preventative measure against adverse factors. Vision, vigour and vibrance are the key to an efficient seed production and it is earnestly hoped that this book is complete in all these aspects. This book is addressed to wide range of readers, experts, policy makers, university teachers, students, researchers, technologists, licensed seen producer, grainures, NGOs and all those engaged in sericulture in general and seed production in particular a reliable guide and a lovable complication, this book is sure to appeal all those associated directly or indirectly with sericulture activity.