oidium

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oidium

Wikipedia

From New Latin ōidium, equivalent to Ancient Greek ᾠόν (ōión, “egg”) +‎ -idium.

oidium (plural oidia)

A fragile spore produced by some fungi.
- 2003 August, Competition Science Vision, page 802:
  • Oidia are hyaline, small and thin-walled unicellular sections or fragments of the mycelium.
  • Oidia may be uni- or binucleate as whether they are produced by the breaking up of the primary or secondary mycelium.
- 2004, P.D. Sharma, The Fungi, page 241:
  However, in some forms mainly some Hymenomycetes it occurs by the formation of oidia. The oidia are of two main types.
- 2006, A. V. S. S. Sambamurty, A Textbook of Plant Pathology, page 239:
  Later the pods become covered completely with white powdery mass composed of mycelium, oidiophores and oidia of the fungus.
The fungus Erysiphe necator (= Uncinula necator), which produces powdery mildew in grapes.

fragile spore

cognate translations of oidium — otherwise see powdery mildew

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