This book elaborately discusses about the various detection methods ranging from the conventional to serological and molecular detection techniques that are being implied for the detection of Clavibacter michiganensis subsp michiganensis causing bacterial canker in tomato along with the extent of its spread in northern hill region of India. The pathogen being of quarantine importance and since it is seed- borne in nature, the disease caused by it creates havoc in the field during epidemic and early detection is the only step for its prevention. Therefore the proposed book will certainly cater the need of the people of the seed sector either in academics or in the industry.