Phytophthora (from Greek phytón, “plant” and phthorá, “destruction, destruction”; “the plant-destroyer”) is a genus of plant-damaging Protisten of the Oomycetes (water molds). Heinrich Anton de Bary described it for the first time in 1875. Pathogens Phytophthoras are mostly pathogens of dicotyledons, and are relatively host-specific parasites. Many species of Phytophthora are plant pathogens of considerable economic importance. Phytophthor… (More on Phytophthora)