The Florida Plant Diagnostic Network

This document is PP-229, one of a series of the Department of Plant Pathology, UF/IFAS Extension. Original publication date April 2006. Revised February 2017, October 2021, and December 2024. Visit the EDIS website at https://edis.ifas.ufl.edu for the currently supported version of this publication.

C. L. Harmon, director, UF/IFAS Plant Diagnostic Center, Department of Plant Pathology; A. Hodges, DPM director, Department of Entomology and Nematology; N. Peres, assistant professor, Department of Plant Pathology, UF/IFAS Gulf Coast Research and Education Center; P. D. Roberts, professor, Department of Plant Pathology, UF/IFAS Southwest Florida REC; L. Buss, senior biological scientist, Department of Entomology and Nematology; W. T. Crow, professor, Department of Entomology and Nematology; J. Xin, senior associate instructor, Department of Agricultural and Biological Engineering; and M. Paret, associate professor, Department of Plant Pathology, UF/IFAS North Florida REC; UF/IFAS Extension, Gainesville, FL 32611.