''Diplocarpon mespili'' is a pathogenic fungus which causes quince leaf blight, a leaf disease affecting chiefly common quince. It occurs in wet summers, causing severe leaf spotting and early defoliation, also affecting fruit to a lesser extent. It may also affect other Rosaceae such as

hawthorn Hawthorn or Hawthorns may refer to: Plants * '' Crataegus'' (hawthorn), a large genus of shrubs and trees in the family Rosaceae * ''Rhaphiolepis'' (hawthorn), a genus of about 15 species of evergreen shrubs and small trees in the family Rosace ...

and

medlar ''Mespilus germanica'', known as the medlar or common medlar, is a large shrub or small tree in the rose family Rosaceae. The fruit of this tree, also called medlar, has been cultivated since Roman times, is usually available in winter and ea ...

, but is typically less damaging than on quince.

References

External links

Index Fungorum

USDA ARS Fungal Database
Fungal plant pathogens and diseases Dermateaceae Fungi described in 1830 {{fungus-plant-disease-stub