Definition of ray blight in English:

ray blight

Syllabification: ray blight

Entry from US English dictionary

noun

  • A fungal disease of chrysanthemums that causes collapse and rotting of the leading shoot.
    • The fungus is Didymella ligulicola, also called Ascochyta chrysanthemi

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody