Life cycle of Phytophthora root rot, Phytophthora cinnamomi.
Credit: Celeste Rusconi and Robin Walton, adapted from W. F. Wilcox. 1992. Phytophthora Root and Crown Rots. New York State Agric. Exper. Station Tree Fruit Crops IPM Disease Identification Sheet No. 7. Geneva, NY: Cornell University.
