currant leaf spot

noun

: any of three fungal diseases of the currant:

a

: an angular leaf spot caused by an imperfect fungus (Cercospora angulata)

b

: an anthracnose characterized by small brownish or black spots and caused by a discomycete (Pseudopeziza ribis)

c

: a grayish-centered leaf spot caused by an ascomycetous fungus (Mycosphaerella grossulariae)

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