Dewdney, Megan M., and Evan G. Johnson. 2020. “2020–2021 Florida Citrus Production Guide: Citrus Canker: Chapter 31, PP-182 CG040, Rev. 3 2020”. EDIS 2020 (CPG). Gainesville, FL. https://doi.org/10.32473/edis-cg040-2020.