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|a 10.1094/PDIS-08-11-0668
|2 doi
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|a eng
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1 |
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|a Walter, Abigail J
|e verfasserin
|4 aut
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|a Low Incidence of 'Candidatus Liberibacter asiaticus' in Murraya paniculata and Associated Diaphorina citri
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| 264 |
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|c 2012
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| 336 |
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Huanglongbing (HLB) is one of the most devastating diseases of citrus worldwide. 'Candidatus Liberibacter asiaticus' is the prevalent species of three HLB-associated Liberibacter spp., which is vectored by the psyllid Diaphorina citri. The vector and the bacteria have host plants outside the genus Citrus, and these plants have the potential to affect disease epidemiology within citrus groves. Murraya paniculata could be especially problematic because it is a popular ornamental plant and a host of both psyllid and bacteria. We conducted a year-long survey of eight urban plantings of M. paniculata in east-central Florida to characterize 'Ca. L. asiaticus' infection rates in plants and associated psyllids. Using sensitive quantitative polymerase chain reaction (qPCR) primers targeting two prophage genes of 'Ca. L. asiaticus', we found infection to be extremely low: less than 1% of psyllids and 1.8% of plants. With qPCR primers targeting 'Ca. L. asiaticus' 16S rDNA, none of the plants and only one psyllid were 'Ca. L. asiaticus'-positive. Therefore, the titer of 'Ca. L. asiaticus' is low in M. paniculata and associated psyllids. These results suggest that urban plantings of M. paniculata may serve as a minor source of 'Ca. L. asiaticus' inoculum
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Hall, David G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Duan, Yong Ping
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 96(2012), 6 vom: 01. Juni, Seite 827-832
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|x 0191-2917
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|g volume:96
|g year:2012
|g number:6
|g day:01
|g month:06
|g pages:827-832
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|u http://dx.doi.org/10.1094/PDIS-08-11-0668
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