Seed and seed technology: introduction, definition and importance. Deterioration causes of crop varieties and their control. Maintenance of genetic purity during seed production, seed quality. Definition, characters of good quality seed, different classes of seed. Foundation and certified seed production of important cereals, pulses, oilseeds, fodder and vegetables. Seed drying, processing and their steps, seed testing for quality assessment, seed treatment. Factors affecting seed marketing. Role of WTO and OECD in seed marketing. Private and public sectors and their production and marketing strategies.