PP265, a 3-page illustrated fact sheet by R. A. Cating, and A.J. Palmateer, describes this physiological disorder that affects many genera of orchids and can be caused by exposure to low water temperatures or low air temperatures. Includes references. Published by the UF Department of Plant Pathology, May 2009.
http://edis.ifas.ufl.edu/PP265
Tag: Orchid Diseases and Disorders
PP260 Black Rot of Orchids Caused by Phytophthora palmivora and Phytophthora cactorum
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 santiation recommendations. Includes references. Published by the UF Department of Plant Pathology, January 2009.
http://edis.ifas.ufl.edu/PP260