This book is a comprehensive manual of phytobacteriology and is heavily illustrated with over 200 color photographs and line illustrations. It starts by outlining the history and science of bacteriology and gives an overview of the diversity and versatility of complex bacteria. It goes on to explain characterization, identification, and naming of complex bacteria and how bacteria can cause disease and how plants react to this. It also discusses the economic importance of bacterial diseases and strategies for their control and reduction of crop losses. It concludes with 50 examples of well and lesser known plant pathogenic bacteria and the diseases that they cause.