parsley Septoria leaf spot

Symptoms

Small irregular brown spots with tiny black dots (pycnidia) in the center on outer leaves, spots merge into yellow-brown blighted patches, severe leaf yellowing.

Plants affected

• parsley

Common questions

How do I recognise parsley Septoria leaf spot on parsley?

Small irregular brown spots with tiny black dots (pycnidia) in the center on outer leaves, spots merge into yellow-brown blighted patches, severe leaf yellowing.

Do I have to report parsley Septoria leaf spot?

No. parsley Septoria leaf spot is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.

How is parsley Septoria leaf spot treated?

Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.