This book provides extensive details about the vast topic of plant pathology, also known as phytopathology. It deals with the study of diseases in the plants caused by pathogens and other physical factors. Plant pathology includes topics like pathogen identification, plant disease epidemiology, disease etiology, etc. The pathogens responsible for these diseases are bacteria, virus, protozoa, parasitic plants, etc. This book is a valuable compilation of various topics, ranging from the most basic to the most complex ones. For those who have an interest in plant pathology, this book will prove to be a valuable source of knowledge.