Bacterial Ring Rot of Potato
Clavibacter sepedonicus
Potatobacterial
A seed-borne bacterial disease that follows the vascular ring, producing a cheesy yellow rot.
Symptoms
A cheesy, yellow rot following the vascular ring when a tuber is cut, along with wilting foliage.
Favorable conditions
- •Contaminated seed potatoes
- •Contaminated cutting equipment moving bacteria between seed pieces
Management
- 1Use only certified disease-free seed potatoes
- 2Disinfect cutting equipment between seed lots
- 3Rogue and destroy infected plants promptly
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