Citrus Huanglongbing: The Pathogen and Its Impact

Fig. 31. Distribution and incidence of HLB in 123 municipalities of São Paulo State, Brazil as of March 2007. The incidence was calculated base on data from Official HLB Eradication Campaign (Fundecitrus).



Image from Plant Health Progress article:
Citrus Huanglongbing: The Pathogen and Its Impact