ring rot

noun

, Plant Pathology.

1. 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.

ring rot

noun

1. a virulent bacterial disease of potatoes occurring in the vascular ring of the potato tuber Also calledpotato ring rot

Word History and Origins

Origin of ring rot¹

An Americanism dating back to 1900–05

Example Sentences

The law was introduced in response to ring rot outbreaks in Poland.

From BBC

In 2012, the Food and Environment Research Agency reinforced the guideline, by demanding a ring rot test certificate accompany the spuds.

From BBC