Definition of chocolate spot in English:

chocolate spot


mass noun
  • A fungal disease affecting field and broad beans, characterized by dark brown spots on all parts of the plant.

    This is caused by the fungus Botrytis fabae, subdivision Deuteromycotina (or Ascomycotina)

    • ‘A rapid in-vitro assay has also been developed for screening faba beans for resistance to chocolate spot disease.’
    • ‘The focus here is on chocolate spot of Vicia beans caused by both B. fabae and B. cinerea.’
    • ‘The chocolate spot pathogen causes small, circular brown spots of dead tissue on the leaves.’
    • ‘The rapid development of chocolate spot is favoured by wet humid weather.’
    • ‘Folicur is recommended for chocolate spot and rust.’