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oidium

From Wiktionary, the free dictionary
See also: Oidium and oïdium

English

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Grapes affected by Erysiphe necator
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Etymology

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

Noun

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oidium (plural oidia)

  1. 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.
  2. The fungus Erysiphe necator (= Uncinula necator), which produces powdery mildew in grapes.

Coordinate terms

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Translations

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Romanian

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Etymology

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Borrowed from French oïdium.

Noun

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oidium n (uncountable)

  1. powdery mildew

Declension

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singular only indefinite definite
nominative-accusative oidium oidiumul
genitive-dative oidium oidiumului
vocative oidiumule