Blackleg and Soft Rot
Pectobacterium carotovora

• Tuber flesh is white, soft and rotted. In severe cases the entire tuber rots away, leaving on the skin
• Seed potato may rot in the soil, plants do not emerge
• In severe cases, plant is stunted, with yellow and wilted leaves
• Brown to black slimy sunken lesions on stems, most common starting at the soil line
• Favored by cool wet weather
• More information on Blackleg and Soft Rot