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

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