Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria

The role of beneficial bacteria in biocontrol of plant diseases, particularly those caused by the necrotrophic fungus Botrytis cinerea, has been investigated by testing many bacteria under laboratory and field conditions. Bacteria may protect plants against B. cinerea by direct antagonistic interact...

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Main Authors: Rana HAIDAR, Marc FERMAUD, Carlos CALVO-GARRIDO, Jean ROUDET, Alain DESCHAMPS
Format: Article
Language:English
Published: Firenze University Press 2016-07-01
Series:Phytopathologia Mediterranea
Subjects:
Online Access:https://oajournals.fupress.net/index.php/pm/article/view/5692
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author Rana HAIDAR
Marc FERMAUD
Carlos CALVO-GARRIDO
Jean ROUDET
Alain DESCHAMPS
author_facet Rana HAIDAR
Marc FERMAUD
Carlos CALVO-GARRIDO
Jean ROUDET
Alain DESCHAMPS
author_sort Rana HAIDAR
collection DOAJ
description The role of beneficial bacteria in biocontrol of plant diseases, particularly those caused by the necrotrophic fungus Botrytis cinerea, has been investigated by testing many bacteria under laboratory and field conditions. Bacteria may protect plants against B. cinerea by direct antagonistic interactions between biocontrol agents and this pathogen, as well as indirect effects through the induction of host resistance. This review focuses on various bacteria that act as biological control agents (BCAs) of B. cinerea and their associated mechanisms. The modes of action (MoAs) include: i) synthesis of anti-fungal metabolites, such as antibiotics, cell wall-degrading enzymes and volatile organic compounds (VOCs); ii) competition for nutrients and/or a niche; and iii) induction of host resistance. The challenge for development of BCAs is to reduce the variability of efficiency and to prove persistence under a large range of conditions. We discuss the advantages and drawbacks of MoA for future applications of bacteria in the field and in post-harvest storage, as well as combination of different MoAs as a strategy to achieve a more regular efficacy.
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spelling doaj.art-628e0c746741463bac5cf4d167dbee032022-12-22T00:51:36ZengFirenze University PressPhytopathologia Mediterranea0031-94651593-20952016-07-0155310.14601/Phytopathol_Mediterr-1807915582Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteriaRana HAIDARMarc FERMAUDCarlos CALVO-GARRIDOJean ROUDETAlain DESCHAMPSThe role of beneficial bacteria in biocontrol of plant diseases, particularly those caused by the necrotrophic fungus Botrytis cinerea, has been investigated by testing many bacteria under laboratory and field conditions. Bacteria may protect plants against B. cinerea by direct antagonistic interactions between biocontrol agents and this pathogen, as well as indirect effects through the induction of host resistance. This review focuses on various bacteria that act as biological control agents (BCAs) of B. cinerea and their associated mechanisms. The modes of action (MoAs) include: i) synthesis of anti-fungal metabolites, such as antibiotics, cell wall-degrading enzymes and volatile organic compounds (VOCs); ii) competition for nutrients and/or a niche; and iii) induction of host resistance. The challenge for development of BCAs is to reduce the variability of efficiency and to prove persistence under a large range of conditions. We discuss the advantages and drawbacks of MoA for future applications of bacteria in the field and in post-harvest storage, as well as combination of different MoAs as a strategy to achieve a more regular efficacy.https://oajournals.fupress.net/index.php/pm/article/view/5692biocontrolgrey moldantibiosiscompetition
spellingShingle Rana HAIDAR
Marc FERMAUD
Carlos CALVO-GARRIDO
Jean ROUDET
Alain DESCHAMPS
Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
Phytopathologia Mediterranea
biocontrol
grey mold
antibiosis
competition
title Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
title_full Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
title_fullStr Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
title_full_unstemmed Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
title_short Modes of action for biological control of <em>Botrytis cinerea</em> by antagonistic bacteria
title_sort modes of action for biological control of em botrytis cinerea em by antagonistic bacteria
topic biocontrol
grey mold
antibiosis
competition
url https://oajournals.fupress.net/index.php/pm/article/view/5692
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AT marcfermaud modesofactionforbiologicalcontrolofembotrytiscinereaembyantagonisticbacteria
AT carloscalvogarrido modesofactionforbiologicalcontrolofembotrytiscinereaembyantagonisticbacteria
AT jeanroudet modesofactionforbiologicalcontrolofembotrytiscinereaembyantagonisticbacteria
AT alaindeschamps modesofactionforbiologicalcontrolofembotrytiscinereaembyantagonisticbacteria