HS-1147, a 6-page illustrated fact sheet by Jamie D. Yates, Stephen H. Futch, and Timothy M. Spann, describes when to scout; different methods of scouting and their applications; symptoms of greening and how to distinguish these symptoms from those of other diseases/disorders; and what to do when a
greening-infected tree is identified. Includes references. Published by the UF Department of Horticultural Sciences, August 2008.
http://edis.ifas.ufl.edu/CH200