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Abstract
To understand bud rots, an explanation of palm anatomy is necessary. The growing point of the palm is often called the bud or heart. All leaves originate from there, and each palm stem has only one. Thus, when the bud is damaged or diseased, the palm usually dies. The first symptom is discoloration and wilting of the spear leaf and wilting/discoloration of the next youngest leaf. This revised 4-page fact sheet was written by Monica L. Elliott and published by the UF Department of Plant Pathology, July 2012.
References
Atilano, R. A. 1982. "Phytophthora Bud Rot of Washingtonia Palm." Plant Disease 66 (6): 517-519. https://doi.org/10.1094/PD-66-517
Garofalo, J. F., and R. T. McMillan. 2004. "Thielaviopsis Diseases of Palms." Proceedings of the Florida State Horticultural Society 117: 324-325.
Simone, G. W. 2004. "Thielaviopsis Diseases." In Compendium of Ornamental Palm Diseases and Disorders, edited by M. L. Elliott, T. K. Broschat, J. Y. Uchida, and G. W. Simone, 37-38. St. Paul, MN: American Phytopathological Society.
Uchida, J. Y. 2004. "Phytophthora Diseases." In Compendium of Ornamental Palm Diseases and Disorders, edited by M. L. Elliott, T. K. Broschat, J. Y. Uchida, and G. W. Simone, 29-32. St. Paul, MN: American Phytopathological Society.