ring rot
noun Plant Pathology.
a disease of potatoes, characterized by wilted foliage and rotting of the ring of vascular bundles in the tubers, caused by a bacterium, Corynebacterium sepedonicum.
Origin of ring rot
An Americanism dating back to 1900–05
Words nearby ring rot
ring off,
ring one's chimes,
ring out,
ring ouzel,
ring road,
ring rot,
ring scotoma,
ring shout,
ring snake,
ring spinning,
ring spot
British Dictionary definitions for ring rot
ring rot
noun
a virulent bacterial disease of potatoes occurring in the vascular ring of the potato tuber
Also called: potato ring rot