Black Rot of Orchids Caused by Phytophthora palmivora and Phytophthora cactorum

How to Cite

Cating, R., Aaron Palmateer, Carol Stiles, P. Rayside, and D. Davison. 2009. “Black Rot of Orchids Caused by Phytophthora Palmivora and Phytophthora Cactorum”. EDIS 2009 (2).


PP260, a 5-page illustrated fact sheet by R.A. Cating, A. J. Palmateer, C. M. Stiles, P. A. Rayside, and D. A. Davison, describes this disease of orchids, its host range, symptoms, diagnosis, management, and nursery sanitation recommendations. Includes references. Published by the UF Department of Plant Pathology, January 2009.


The documents contained on this website are copyrighted by the University of Florida, Institute of Food and Agricultural Sciences (UF/IFAS) for the people of the State of Florida. UF/IFAS retains all rights under all conventions, but permits free reproduction by all agents and offices of the Cooperative Extension Service and the people of the State of Florida. Permission is granted to others to use these materials in part or in full for educational purposes, provided that full credit is given to the UF/IFAS, citing the publication, its source, and date of publication.