Kerria twig and leaf blight

Kerria, a spring flowering shrub that was once considered disease-free in the UK, is now affected by a fungal disease that causes lesions and defoliation.

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Kerria twig and leaf blight (Blumeriella kerriae) on Kerria japonica

Quick facts

Common name Kerria twig and leaf blight
Scientific name Blumeriella kerriae
Plants affected Kerria japonica
Main symptoms Leaf spots, stem lesions, defoliation
Caused by Fungus
Timing Throughout the year

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