Plant diseases caused by phytopathogenic bacteria are very destructive, as there are no efficient post-infection treatments. Bacterial wilt caused by Ralstonia solanacearum is a destructive bacterial disease that confines the production of different crops worldwide. The book provides information related to the isolation of bacterial wilt pathogen Ralstonia solanacearum from seeds and plant material, detection by various serological and molecular methods followed by characterization by biochemical and molecular techniques.