This page provides all possible meanings and translations of the word oidium
A fragile spore produced by some fungi
A fungus, Uncinula necator , that produces powdery mildew in grapes
An oidium is an asexually produced fungal spore that is presumed not to constitute the main reproductive preoccupation of the fungus at that time. The hypha breaks up into component cells/ small pieces and develop into spores. Oidia can't survive in unfavourable conditions.
Find a translation for the oidium definition in other languages: