Articles

Leucothoe Diseases

Informational table showing disease name, symptoms, pathogen/cause, and management of Leucothoe diseases.
Updated:
July 7, 2025
Disease Symptoms Pathogen/Cause Management
Cylindrocladium leaf spot Dark spots form on leaves. Lesions on stems can girdle and kill them. Cylindrocladium Avoid overhead irrigation. Apply a fungicide as a drenching spray.
Cylindrocladium root rot Plants are stunted. Leaves yellow and wilt as branches die. Many dark-brown to black lesions form on roots, enlarge, and girdle roots. Longitudinal cracks may develop in the stem at the soil line. Cylindrocladium Avoid overhead irrigation. Apply fungicide as a soil drench.

Prepared by Gary W. Moorman, Ph.D., Professor Emeritus of Plant Pathology

Gary W. Moorman, Ph.D.
Professor Emeritus
Pennsylvania State University