Water is the single most important factor affecting the severity of this disease.
This disease should be controlled mainly on fruit intended for the fresh market. It is only a serious disease on certain varities of citrus. It mainly affects lemon, Murcotts, Minneola and Temple varities and is often a problem on grapefruit.
For more information about this disease, its causes and control see this link: http://edis.ifas.ufl.edu/CH014