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单词 oidium
释义

Definition of oidium in English:

oidium

nounPlural oidia əʊˈɪdɪəmōˈidēəm
  • 1Botany
    A type of fungal spore (conidium) formed by the breaking up of fungal hyphae into cells, especially as produced by powdery mildews.

  • 2mass noun A fungal disease affecting vines, caused by a powdery mildew.

    The fungus is Uncinula necator (formerly Oidium tuckeri), family Erysiphaceae, subdivision Ascomycotina

    Example sentencesExamples
    • The effects of phylloxera were first noted in France in 1863, just as the country was recovering from another great scourge of 19th century European viticulture: oidium, or powdery mildew, which was first noted in 1847.

Origin

Mid 19th century: modern Latin, from Greek ōion 'egg' + the diminutive suffix -idion.

 
 

Definition of oidium in US English:

oidium

nounōˈidēəm
  • 1Botany
    A type of fungal spore (conidium) formed by the breaking up of fungal hyphae into cells, especially as produced by powdery mildews.

  • 2A fungal disease affecting vines, caused by a powdery mildew.

    The fungus is Uncinula necator (formerly Oidium tuckeri), family Erysiphaceae, subdivision Ascomycotina

    Example sentencesExamples
    • The effects of phylloxera were first noted in France in 1863, just as the country was recovering from another great scourge of 19th century European viticulture: oidium, or powdery mildew, which was first noted in 1847.

Origin

Mid 19th century: modern Latin, from Greek ōion ‘egg’ + the diminutive suffix -idion.

 
 
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更新时间:2024/9/21 5:33:52