root disease
a disease of the root system mostly caused by root-inhabiting Basidiomycotina fungi, some of which can persist for long periods as saprophytes on dead plant material —note root diseases include Armillaria root rot, Annosus root rot, Phellinus root disease, and the Phytophthora root rots —synonym root decay, root rot —see infection centerThis definition last updated 08/17/2008