The present volume is the second contains critical reviews and reserch articles written by distinguished sugarcane pathologists from all over the world. The information on various topics is at advanced as well as comprehensive levels, and privides though provoking discussions as well as conclusions towards solving some of the basic and applied problems in sugarcane pathology. In addition, it serves as an exhaustive and up to date compendium of references on various aspects on sugarcane viral and phytoplasmal diseases. The various aspects of sugarcane viral and phytoplasmal diseases covered in this volume are about new diseases, taxonomy, identification and characterization, transmission, host parasite interaction, purification, gene mapping, genetic engineering for resistance, molecular studies and management aspects of different important viral and phytoplasmal diseases of sugarcane crop.