Phytophthora Root Rot

Species of fungus-like organisms belonging to the genus Phytophthora are soil-borne or plant-borne and all are plant pathogens. Some species of Phytophthora attack woody ornamentals including Arborvitae, Azalea, Dogwood, Forsythia, Fir, Hemlock, Holly, Juniper, Maple, Rhododendron, and White Pine. Other species attack herbaceous plants including Annual Vinca (Catharanthus), Begonia, Poinsettias, […]

Phytophthora Root Rot on Woody Ornamentals