Informational table showing disease name, symptoms, pathogen/cause, and management of Tulip Poplar diseases. Disease Symptoms Pathogen/Cause Management Powdery mildew White fungal growth forms on the upper surface of leaves. Erysiphe or Phyllactinia No control is recommended since little damage occurs. Sooty mold Black fungal growth covers the leaf surface where a shiny, sticky material has been deposited. Sooty mold is not a pathogen. It merely grows on honeydew secreted by aphids higher up on the tree and drips onto lower leaves. Control aphids

Sooty mold.