What happens inside a citrus tree long before leaves turn yellow, roots decline, and fruit quality suffers? Researchers from the University of Florida Citrus Research and Education Center—Diann S. Achor, Camila Ribeiro, Jinyun Li and Nian Wang—have created a detailed microscopic atlas that provi des one of the clearest pictures to date of how citrus huanglongbing (HLB), also known as citrus greening disease, develops over time and affects different parts of a tree. ...read more read less