Powdery mildew on dogwood

Erysiphe pulchra (formerly Microsphaera puchra) and Phyllactinia guttata can produce powdery mildew infections on dogwood. The images presented here show very early symptoms.

Useful information on the biology, diagnosis, and management of powdery mildew can be found at the Pacific Northwest Disease Management Handbook

More advanced symptoms and additional management information can be found at the University of Kentucky Nursery Update link.

Information on powdery mildew resistance research on various dogwood cultivars from the folks at University of Tennessee.

Orginal publication: 5/18/2006
Latest publication: 5/13/2016


Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University


Page last modified 5/13/16

Beginning infection of powdery mildew on leaf

Powdery mildew on new growth