rhizoctonia disease
noun
variants or less commonly rhizoctonia
plural -s
1
: a disease caused by fungi of Rhizoctonia or closely related genera
2
: a disease of potatoes caused by a fungus (Pellicularia filamentosa synonym Rhizoctonia solani) and characterized especially by black scurfy spots on the tubers
called also little potato, rosette, russet scab, stem canker
compare damping-off
Word History
Etymology
New Latin Rhizoctonia