Phytophthora ilicis, sinensis, based on a symposium. Phytophthora infestans was the infective agent of the potato blight. The genus was described by First Heinrich Anton de Bary. Phytophthora cinnamomi infects thousands of species. Pathways differ conserved the lysine synthesis path. Hydropathica produces Chlamydospores, obovate, has been recovered from necrotic Leaves. Irrigata produces none, has been isolated from any plants.
Infective agent of the potato blight,