Rhododendron Leaf Spot and Stem Dieback Caused by Phytophthora syringae
Research conducted by Dr. R. G. Linderman on rhododendron leaf spot and stem die back determined both to be caused by Phytophthora syringae. Details about the effects and lifecycle of the fungus and possible control methods are provided.
To view the article, click on the link attachment.
Fall 1986 Vol.10, Issue 2 Pages 19-20
Dr. R. G. Linderman USDA Horticultural Crops Research Laboratory Corvallis, OR 97330