Septoria blight of parsley

Septoria blight caused by the fungus Septoria petroselini is a common and important disease of parsley in the UK. The disease spreads rapidly under favourable environmental conditions and, when severe, can render the crop unmarketable. This factsheet -

• Describes the disease symptoms
• Gives information on disease biology and epidemiology
• Presents a management strategy for disease control

This information was last updated in 2010.