Biocontrol of Plant Diseases Using Glycyrrhiza glabra Leaf Extract

The growing concern regarding the potential risks of pesticides and their impact on nontarget organisms stimulates the development and application of alternative, environmentally friendly products. It seems necessary to develop alternatives for conventional products and for those already widely used...

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Veröffentlicht in:Plant disease. - 1997. - 106(2022), 12 vom: 12. Dez., Seite 3133-3144
1. Verfasser: Hermann, Sophie (VerfasserIn)
Weitere Verfasser: Orlik, Marc, Boevink, Petra, Stein, Elke, Scherf, Andrea, Kleeberg, Ina, Schmitt, Annegret, Schikora, Adam
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article bactericide fungicide licorice mode of action plant immune system Copper 789U1901C5 Plant Extracts
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520 |a The growing concern regarding the potential risks of pesticides and their impact on nontarget organisms stimulates the development and application of alternative, environmentally friendly products. It seems necessary to develop alternatives for conventional products and for those already widely used in organic agriculture, e.g., copper. Very importantly, such alternative products should not limit the productivity and profitability of agriculture. In this study, we examined the efficacy of licorice (Glycyrrhiza glabra) leaf extract as such an alternative. We tested its impact on the virulence of Pseudomonas syringae toward the model plant Arabidopsis thaliana and the crop plant tomato (Solanum lycopersicum) as well as of Clavibacter michiganensis, Xanthomonas campestris, and Phytophthora infestans toward tomato, at multiple levels. We demonstrate that licorice leaf extract acts as a direct fungicide and bactericide. Moreover, it acts against a metalaxyl-resistant P. infestans strain. In addition, the extract from licorice leaves influences the plant immune system, modulating the plant responses to the challenge with pathogen(s); this involves both salicylic acid and ethylene-based responses. Our results show that in addition to the well-known use of licorice root extract in medicine, the leaf extract can be an effective alternative in organic and integrated farming, contributing to copper reduction and resistance management.[Formula: see text] Copyright © 2022 The Author(s). This is an open-access article distributed under the CC BY 4.0 International license 
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700 1 |a Orlik, Marc  |e verfasserin  |4 aut 
700 1 |a Boevink, Petra  |e verfasserin  |4 aut 
700 1 |a Stein, Elke  |e verfasserin  |4 aut 
700 1 |a Scherf, Andrea  |e verfasserin  |4 aut 
700 1 |a Kleeberg, Ina  |e verfasserin  |4 aut 
700 1 |a Schmitt, Annegret  |e verfasserin  |4 aut 
700 1 |a Schikora, Adam  |e verfasserin  |4 aut 
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773 1 8 |g volume:106  |g year:2022  |g number:12  |g day:12  |g month:12  |g pages:3133-3144 
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