A text and reference for students and professionals, this volume discusses the causes, distribution, symptoms, and control of the diseases of many of the world's important field crops. It covers approximately1,200 diseases on 25 plants grown throughout the world. Diseases are listed alphabetically by crop name under each type of causal organism, with each disease discussed by causes, distribution, symptoms, and control. Synonyms and common names for each disease are also included to aid in diagnosis.