Sugarcane is the most important sugar crop in China. In recent years, a disease characterized by white rash symptoms has become endemic in sugarcane fields in the coastal area of Guangxi Province, China. A fungal species was consistently isolated from diseased leaves of sugarcane plants, and the pathogenicity assays were consistent with its etiology, reproducing symptoms identical to those observed in the field. Based on host range, symptomatology, and morphological characteristics, the causativ