Sclerotia of Ciboria carunculoides on white mulberry.
Photograph courtesy Brian OlsonPlant Disease and Insect Diagnostic Lab Oklahoma State University, Stillwater, OK 74078
Host: Morus alba (white mulberry)Disease name: Popcorn diseasePathogen name: Ciboria carunculoides
Popcorn disease of mulberry, caused by the fungus C. carunculoides, resembles popcorn kernels. White mulberry varieties and hybrids are most susceptible to this southern disease. Popcorn disease is not considered economically important on ornamental mulberries. However, yield losses on mulberries propagated for fruit production can occur. Remove and bury infected fruit and organic debris as it appears during the growing season.
APS publication number: IW000018
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