Horsechestnut Disease

Informational table showing disease name, symptoms, pathogen/cause, and management of Horsechestnut diseases.
Horsechestnut Disease - Articles

Updated: August 14, 2017

Horsechestnut Disease
DiseaseSymptomsPathogen/CauseManagement
Leaf BlotchSmall irregular, reddish-brown spots and large blotches with yellow halos form in late June or early July. Most infected leaves brown and fall prematurely. Tiny, black fruiting structures are found in the dead areas.Guignardia aesculiFor trees of high value, apply a fungicide in early summer.

Prepared by Gary W. Moorman, Professor of Plant Pathology