Abstract
Huanglongbing (HLB), also known as citrus greening disease, is a highly destructive disease affecting citrus trees worldwide. The causal agent (by association) of the disease is the bacterium Candidatus Liberibacter asiaticus which is transmitted by the Asian citrus psyllid, Diaphorina citri. There is no cure to HLB, the disease has considerable impact on tree growth and development, as w…