Dry rot

Fusarium solani, Fusarium sulphureum,
Fusarium avenaceum and Fusarium oxysporum

Symptoms

• Infected seed potatoes result in patchy emergence and weaker stems

Infection and spread

• Via seed tubers
• Some Fusarium species occur naturally in the soil
• Infection via mechanical damage (harvesting, processing, grading, diseases and pests)
• Temperatures between 15 - 20°C and high relative humidity are optimum for infection and spread