Kingdom Fungi Genus Cercosporella Phylum Ascomycota Order Capnodiales | Family Mycosphaerellaceae Scientific name Cercosporella rubi Rank Species Subclass Dothideomycetidae | |
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Similar Rubus argutus, Elsinoë, Rubus allegheniensis, Podosphaera macularis, Tomato ringspot virus | ||
Cercosporella rubi (commonly called double blossom or witches' broom) is a plant pathogen which causes rosette disease of blackberry. The disease is particularly prevalent in the southeast of the USA, where it poses one of the largest threats to commercial blackberry production. The disease causes witch's broom symptoms as well as double blossoms, and can severely reduce yield.
References
Cercosporella rubi Wikipedia(Text) CC BY-SA