From Greenhouse to Courthouse: The Agricultural Scientist as a Witness in the Administrative Hearing. Michael T. Olexa, University of Florida, Gainesville. Plant Dis. 68:263. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1984. DOI: 10.1094/PD-68-263.