Thirty six Phytophthora isolates were collected from invaded tissues of stems, leaves, coleoptiles, roots and fruits of citrus. Based on the morphological, cultural and physiological characteristics, 6 species of Phytophthora were isolated. Among them, 11 isolates in Phytophthora citrophthora , 9 isolates in P. nicotianae, 7 isolates in P. palmivora , 4 isolates in P. capsici , 4 isolates in P. drechsleri and 1 isolates in P. citricola were identified.