Upon infection, the pathogen can cause coffee berry disease (CBD) which is also known as Brown Blight when it occurs on younger fruits still green in color.

Active lesions of the fungus are first noticeable as brown, sunken spots which quickly spread across the entire fruit.

When C. coffeanum creates spores, it is evident by a pink crust on the surface of the infected area.

[2] The infection of the crop can significantly reduce the amount of fruit a farm can produce per year.

The most effective fungicides are "50% copper formulations, captafol, chlorothalonil, benomyl, thiophanate-methyl, thiabendazole, and dithianon.