Abstract
There have been limited studies and documentation of how long a mature Florida orange tree can remain commercially viable after expressing initial symptoms of the HLB disease. This study focuses on understanding the distribution and spread of HLB symptoms on newly symptomatic, mature trees and the association of these symptoms with the presence of the Candidatus Liberibacter asisticus (Las) bacterium in the various sectors of a tree. The investigation of this process will lead to a better understanding of how long HLB-infected trees can survive under conventional grove practices and, possibly, to better management decisions on tree elimination.
Highlights
Title Development of Symptom Expression and Presence of Candidatus Liberibacter asiaticus in Recently Infected, Mature Orange Trees
This study focuses on understanding the distribution and spread of HLB symptoms on newly symptomatic, mature trees and the association of these symptoms with the presence of the Candidatus Liberibacter asisticus (Las) bacterium in the various sectors of a tree
From the first set of samples collected, only the initial symptom tested positive for the presence of Las; all other samples collected were negative
Summary
Title Development of Symptom Expression and Presence of Candidatus Liberibacter asiaticus in Recently Infected, Mature Orange Trees. After the study trees were selected symptomatic leaves were sampled and taken to the Southern Gardens Diagnostic Lab where they were analyzed using real time PCR and confirmed to have been infected with the HLB disease.
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