Bacterial ring rot infected tuber - Claflin, Larry (My University, 1974)
Bacterial ring rot infected tuber. Lesion in center is not likely infected by the causal agent. It is assumed that infection only takes place in vascular ring.
Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)
Pest/Path: Bacterial Ring Rot (Clavibacter michiganensis subsp. sepedonicus)
Keywords: Potato; Ring Rot; Certification; Color photographs