Murraya paniculata and Related Species as Potential Hosts and Inoculum Reservoirs of 'Candidatus Liberibacter asiaticus', Causal Agent of Huanglongbing

Huanglongbing (HLB), considered to be the most serious insect-vectored bacterial disease of citrus, is transmitted in nature by the Asian citrus psyllid Diaphorina citri and the African citrus psyllid Trioza erytreae. D. citri was discovered in southern Florida in 1998 and the HLB disease in 2005. B...

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Veröffentlicht in:Plant disease. - 1997. - 94(2010), 5 vom: 13. Mai, Seite 528-533
1. Verfasser: Damsteegt, V D (VerfasserIn)
Weitere Verfasser: Postnikova, E N, Stone, A L, Kuhlmann, M, Wilson, C, Sechler, A, Schaad, N W, Brlansky, R H, Schneider, W L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Huanglongbing (HLB), considered to be the most serious insect-vectored bacterial disease of citrus, is transmitted in nature by the Asian citrus psyllid Diaphorina citri and the African citrus psyllid Trioza erytreae. D. citri was discovered in southern Florida in 1998 and the HLB disease in 2005. Both have become established throughout citrus-producing areas of Florida. Murraya species are widely grown in southern Florida as ornamental hedges and are readily colonized by D. citri vectors. Colonies of D. citri, isolates of 'Candidatus Liberibacter asiaticus' from Taiwan and Florida, and the Murraya species were established in the BSL-3 biosecurity facility at Fort Detrick. In controlled inoculation experiments, D. citri transmitted 'Ca. L. asiaticus' into M. paniculata (34/36 plants) and M. exotica (22/23 plants), but not into Bergera (Murraya) koenigii. Disease symptoms rarely developed in Murraya plants; however, positive infections were determined by conventional and real-time polymerase chain reaction (PCR). Back-inoculations of 'Ca. L. asiaticus' from M. paniculata to Madam Vinous sweet orange resulted in disease development in 25% of the inoculated plants. Considerable variability was observed in infection rates, titer, and persistence of 'Ca. L. asiaticus' in infected Murraya 
650 4 |a Journal Article 
700 1 |a Postnikova, E N  |e verfasserin  |4 aut 
700 1 |a Stone, A L  |e verfasserin  |4 aut 
700 1 |a Kuhlmann, M  |e verfasserin  |4 aut 
700 1 |a Wilson, C  |e verfasserin  |4 aut 
700 1 |a Sechler, A  |e verfasserin  |4 aut 
700 1 |a Schaad, N W  |e verfasserin  |4 aut 
700 1 |a Brlansky, R H  |e verfasserin  |4 aut 
700 1 |a Schneider, W L  |e verfasserin  |4 aut 
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