White mould

Sclerotinia sclerotiorum

Symptoms

• Symptoms on tubers are rare
• White coloured rot and parchment-like, roughly ridged skin
• Sclerotia develop on the fungal growth
• In the majority of cases the sclerotia are only apparent in storage

Infection and spread

• Host plants: peas, beans, chicory and carrots
• Survives in soil as sclerotia
• Small orange apothecia grow from sclerotia and release sexual ascospores
• Spores travel on the wind and infect wind/rain damaged crops