Horticulture


Publications
182

Transmission Efficiency of Candidatus Liberibacter asiaticus and Progression of Huanglongbing Disease in Graft- and Psyllid-inoculated Citrus

Citation
Albrecht et al. (2014). HortScience 49 (3)
Names
Ca. Liberibacter asiaticus
Abstract
Candidatus Liberibacter asiaticus (Las) is a phloem-limited bacterium associated with huanglongbing (HLB), one of the most destructive diseases of citrus in Florida and other citrus-producing countries. Natural transmission of Las occurs by the psyllid vector Diaphorina citri, but transmission can also occur through grafting with diseased budwood. As a result of the difficulty of maintaining Las in culture, screening of citrus germplasm for HLB resistance often relies on graft inoculation as the

Survey and Detection of ‘Candidatus Liberibacter asiaticus’ in a Citrus Nursery Facility in South Texas

Citation
Alabi et al. (2014). Plant Health Progress 15 (4)
Names
Ca. Liberibacter asiaticus
Abstract
Huanglongbing (HLB) disease, associated with ‘Candidatus Liberibacter asiaticus’ (CLas), is primarily spread via infected citrus nursery trees and by infective Asian citrus psyllid, the insect vector. Recently, the Texas Department of Agriculture initiated regulations requiring commercial and retail citrus nurseries in Texas to transition from traditional open-field to enclosed facilities with insect-resistant screens to mitigate the risk of nurseries serving as sources of CLas. Although severa

Quantitative Distribution of Candidatus Liberibacter asiaticus in the Aerial Parts of the Huanglongbing-infected Citrus Trees in Texas

Citation
Kunta et al. (2014). HortScience 49 (1)
Names
Ca. Liberibacter asiaticus
Abstract
The Asian citrus psyllid, Diaphorina citri Kuwayama, one of the known vectors for citrus greening disease or Huanglongbing (HLB) pathogens, has been present in Texas for over a decade, but the detection of the disease is recent. HLB has been confirmed in only two adjacent commercial citrus groves of grapefruit and sweet orange. A study was conducted to compare the population of Candidatus Liberibacter asiaticus (CLas) cells in different plant parts including peduncle, columella, leaves, seeds, y