disease_location_grassland
grasses
Causes halo spot of grasses and cereals. Pale oval spots, with a brown or purplish margin, are produced towards the tips and edges of leaves. The centre becomes greyish and is usually studded with rows of small, dark pycnidia. Lesions may coalesce and destroy large areas of leaf surface.
Pseudoseptoria donacis
Pseudoseptoria donacis