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

Definition of ray blight in:

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Word of the day abjure
Pronunciation: əbˈdʒʊə
verb
solemnly renounce (a belief, cause, or claim)