Rhizoctonia solani (Kuhn) (Teleomorph: Thanatephorus cucumeris (Fr. Donk) is a destructive ubiquitous soil-borne fungus comprising plant parasite and saprophyte with a wide host range. It exists in nature as a different group in terms of the number of nuclei in the cells, its culture feature, hosts and virulence. The genus Rhizoctonia has long been taxonomically problematic. At present, 14 anastomosis groups (AGs), are recognized with distinct physiology and genetic composition exist. Although the anastomosis method is accurate, valid and currently used, it is sometimes impossible to...