Seed pathology is a very important aspect of forest pathology and has a great impact an production forestry. Seed however are infested with a large number of micro-organism which may cause deterioration in seed quality, there by effecting the availability of required quantity of seeding stock. This book focuses on studies on quantitation and qualitative assessment of incidence of seed-borne fungi, their pathogenicity and effect on seed germinability. There are 7 chapters in this book and 63 photo-plates. Some chapters are on seed pathology of forest tree crops and seed mycoflora, seed transmission on fungi pathogens, survey of seed-borne fungi of forest tree crops, seed Infection and penetration by fungi, national status of seed-borne fungi, control of seed-borne fungi, detection of fungal flora associated with the seeds, single spore isolation, growing on methods, experimental results on Acacia catechu, Cassia fistula, C. glauca, C. nodosa, Dalbergia sissoo, Leucaena leucocephala and Shorea robusta etc.