Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases

The yeast <i>Metschnikowia pulcherrima</i> is frequently isolated from environmental samples and has often been reported to exhibit strong antagonistic activity against plant pathogens. In order to assess the potential of this species for its development into a plant protection product,...

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Autores principales:	Andreas Bühlmann, Sandrine Kammerecker, Laurin Müller, Maja Hilber-Bodmer, Sarah Perren, Florian M. Freimoser
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biocontrol field trial formulation <i>Metschnikowia</i> <i>Neofabraea</i> postharvest disease Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/27a2344a9f5c473ea998fdc675add47b
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spelling	oai:doaj.org-article:27a2344a9f5c473ea998fdc675add47b2021-11-25T17:47:21ZStability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases10.3390/horticulturae71104592311-7524https://doaj.org/article/27a2344a9f5c473ea998fdc675add47b2021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/459https://doaj.org/toc/2311-7524The yeast <i>Metschnikowia pulcherrima</i> is frequently isolated from environmental samples and has often been reported to exhibit strong antagonistic activity against plant pathogens. In order to assess the potential of this species for its development into a plant protection product, the survival during formulation and storage were quantified and field efficacy was assessed over a period of five years. Freeze dried and liquid <i>M. pulcherrima</i> formulations (i.e., with skim milk powder (SMP), sucrose, glycerol, xanthan, without additives) were prepared and the number of viable cells was quantified during storage at different temperatures. Field trials against apple postharvest diseases (<i>Neofabreae</i>) were performed with different dry formulations. <i>M. pulcherrima</i> proved exceptionally stable for many months and even years. Five years of field trials with the yeast revealed variable effects, but reduced <i>Neofabreae</i> infections of stored apples were observed in some years. <i>M. pulcherrima</i> applications after prior fungicide treatments repeatedly showed an additive effect as compared to the fungicide treatments alone. In summary, <i>M. pulcherrima</i> exhibited highly advantageous storage properties and encouraging activity against apple postharvest rots. Further studies to identify the factors responsible for antagonistic activity in the field and survival during storage are expected to lay the foundation for the future development of a plant protection product.Andreas BühlmannSandrine KammereckerLaurin MüllerMaja Hilber-BodmerSarah PerrenFlorian M. FreimoserMDPI AGarticlebiocontrolfield trialformulation<i>Metschnikowia</i><i>Neofabraea</i>postharvest diseasePlant cultureSB1-1110ENHorticulturae, Vol 7, Iss 459, p 459 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biocontrol field trial formulation <i>Metschnikowia</i> <i>Neofabraea</i> postharvest disease Plant culture SB1-1110
spellingShingle	biocontrol field trial formulation <i>Metschnikowia</i> <i>Neofabraea</i> postharvest disease Plant culture SB1-1110 Andreas Bühlmann Sandrine Kammerecker Laurin Müller Maja Hilber-Bodmer Sarah Perren Florian M. Freimoser Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
description	The yeast <i>Metschnikowia pulcherrima</i> is frequently isolated from environmental samples and has often been reported to exhibit strong antagonistic activity against plant pathogens. In order to assess the potential of this species for its development into a plant protection product, the survival during formulation and storage were quantified and field efficacy was assessed over a period of five years. Freeze dried and liquid <i>M. pulcherrima</i> formulations (i.e., with skim milk powder (SMP), sucrose, glycerol, xanthan, without additives) were prepared and the number of viable cells was quantified during storage at different temperatures. Field trials against apple postharvest diseases (<i>Neofabreae</i>) were performed with different dry formulations. <i>M. pulcherrima</i> proved exceptionally stable for many months and even years. Five years of field trials with the yeast revealed variable effects, but reduced <i>Neofabreae</i> infections of stored apples were observed in some years. <i>M. pulcherrima</i> applications after prior fungicide treatments repeatedly showed an additive effect as compared to the fungicide treatments alone. In summary, <i>M. pulcherrima</i> exhibited highly advantageous storage properties and encouraging activity against apple postharvest rots. Further studies to identify the factors responsible for antagonistic activity in the field and survival during storage are expected to lay the foundation for the future development of a plant protection product.
format	article
author	Andreas Bühlmann Sandrine Kammerecker Laurin Müller Maja Hilber-Bodmer Sarah Perren Florian M. Freimoser
author_facet	Andreas Bühlmann Sandrine Kammerecker Laurin Müller Maja Hilber-Bodmer Sarah Perren Florian M. Freimoser
author_sort	Andreas Bühlmann
title	Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
title_short	Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
title_full	Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
title_fullStr	Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
title_full_unstemmed	Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases
title_sort	stability of dry and liquid <i>metschnikowia pulcherrima</i> formulations for biocontrol applications against apple postharvest diseases
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/27a2344a9f5c473ea998fdc675add47b
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Stability of Dry and Liquid <i>Metschnikowia pulcherrima</i> Formulations for Biocontrol Applications against Apple Postharvest Diseases

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