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HS1117, a 4-page illustrated trifold brochure by Timothy M. Spann, Ryan A. Atwood, and Jamie D. Yates, provides Master Gardeners with tips and procedures for handling citrus disease questions. Includes identification tips, flowchart for telephone calls, how to handle samples, contact information for citrus extension agents, and lists of counties with greening and canker positive. Published by the UF Department of Horticultural Sciences, September 2007. HS1117/HS371: CITRUS CANKER & GREENING (HLB) Handling Protocols for Master Gardener Plant Clinics (ufl.edu)