Quercus leaf extracts display curative effects against Candidatus Liberibacter asiaticus that restore leaf physiological parameters in HLB-affected citrus trees

Copyright © 2020 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 148(2020) vom: 01. März, Seite 70-79
1. Verfasser: Pitino, Marco (VerfasserIn)
Weitere Verfasser: Sturgeon, Kasie, Dorado, Christina, Cano, Liliana M, Manthey, John A, Shatters, Robert G Jr, Rossi, Lorenzo
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Candidatus liberibacter asiaticus Citrus huanglongbing Cumarin Oak Organic bactericide Starch Anti-Bacterial Agents Plant Extracts
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245 1 0 |a Quercus leaf extracts display curative effects against Candidatus Liberibacter asiaticus that restore leaf physiological parameters in HLB-affected citrus trees 
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520 |a Copyright © 2020 Elsevier Masson SAS. All rights reserved. 
520 |a Citrus greening, also called Huanglongbing (HLB), is one of the most destructive citrus diseases worldwide. It is caused by the fastidious gram-negative α-proteobacteria bacterium Candidatus Liberibacter asiaticus (CLas) and vectored by the Asian citrus psyllid (ACP), Diaphorina citri. Currently, there is no cure for HLB, no compounds have been successful in controlling HLB, and no sustainable management practices have been established for the disease. Thus, searching for alternative citrus greening disease mitigation strategies is considered an urgent priority for a sustainable citrus industry. The aim of this study was to use compounds extracted from oak, Quercus hemisphaerica, and to assess the antibacterial effects of these against CLas-infected citrus plants. The application of aqueous oak leaf extracts showed substantial inhibitory effects against CLas in citrus plants and the activity of genes related to starch. Significant differences were also observed in plant phenotypic and physiological traits after treatments. Citrus plants treated with oak extracts displayed an increase in stomatal conductance, chlorophyll content and nutrient uptake concurrently with a reduction of CLas titer, when compared to citrus plants treated with just water. The information provided from this study suggests a new management treatment program to effectively deal with the HLB disease 
650 4 |a Journal Article 
650 4 |a Candidatus liberibacter asiaticus 
650 4 |a Citrus huanglongbing 
650 4 |a Cumarin 
650 4 |a Oak 
650 4 |a Organic bactericide 
650 4 |a Starch 
650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Plant Extracts  |2 NLM 
700 1 |a Sturgeon, Kasie  |e verfasserin  |4 aut 
700 1 |a Dorado, Christina  |e verfasserin  |4 aut 
700 1 |a Cano, Liliana M  |e verfasserin  |4 aut 
700 1 |a Manthey, John A  |e verfasserin  |4 aut 
700 1 |a Shatters, Robert G  |c Jr  |e verfasserin  |4 aut 
700 1 |a Rossi, Lorenzo  |e verfasserin  |4 aut 
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773 1 8 |g volume:148  |g year:2020  |g day:01  |g month:03  |g pages:70-79 
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