Abstract: Rhizoniasolani [Thanatephoruscucumeris] is a soil-borne pathogen occurs worldwide which causes economically important diseases to variety of vegetable and field crops, cereals especially wheat, ornamentals, and fruit and forest trees. The inflicted yield losses caused by this pathogen reaches up to 20% yearly worldwide on wheat crops.Environmental factors such as cool temperatures, wetter soils, and high humidity, planting date, winter temperatures, and disease levels in the previous wheat crop has been recorded to influence the occurrence on the field (Meyer, 2002). The objectives of this article is to present an overview of the epidemiology of Rhizonia on wheat.