Septoria
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Septoria are Ascomycete fungi that causes numerous leaf spot diseases on field crops, forages and many vegetables, and is responsible for yield losses.
Septoria leaf blotch is a fungal disease due to Septoria tritici, anamorph Mycospharella graminicola, that affects wheat and occasionally other grasses including barley. It is the major disease of wheat in the UK.
Septoria apiicola is the cause of late blight of celery. it is characterized by the production of conidia within pycnidia. The symptoms include chlorotic spots that turn brown and necrotic. Septoria apiicola can survive on seeds.