Biological control of grey mould in strawberry fruits by soil Rhizosphere bacterial isolates - UTU Research Portal

A1 Refereed original research article in a scientific journal

Biological control of grey mould in strawberry fruits by soil Rhizosphere bacterial isolates

Authors: Embaby, Mohamed A.; Elsakhawy, Tamer; Abd- Elfatah, Sally I.; Yli-Mattila, Tapani

Publisher: TAYLOR & FRANCIS LTD

Publishing place: ABINGDON

Publication year: 2024

Journal: Archives of Phytopathology and Plant Protection

Journal name in source: ARCHIVES OF PHYTOPATHOLOGY AND PLANT PROTECTION

Journal acronym: ARCH PHYTOPATH PLANT

Volume: 57

Issue: 10

First page : 758

Last page: 775

Number of pages: 18

ISSN: 0323-5408

eISSN: 1477-2906

DOI: https://doi.org/10.1080/03235408.2024.2404320

Web address : https://doi.org/10.1080/03235408.2024.2404320

Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/458222045

Abstract

The goal of this study was to find effective bacterial isolates possessing antagonistic effects against Botrytis cinerea in strawberry in field conditions and to evaluate the antifungal properties of the extracellular metabolites produced by these isolates. Four bacterial isolates with considerable antifungal activity against B. cinerea were isolated from strawberries collected from local markets in Giza, Egypt. The molecular identification of bacterial isolates indicated that two of the isolates belong to the Bacillus subtilis, while the other two isolates belong to Pseudomonas stutzeri. The supernatants of the isolates were extracted and subjected to GC/MS analysis, which revealed that the supernatants of the isolates contained different types of fatty acids with expected antifungal activity. The most potent B. subtilis strain was further applied as a foliar spray over heavily infected strawberry fields, which led to significant reduction of B. cinerea. Therefore, this strain should be investigated further.

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Funding information in the publication:
This work was funded by the National Research Centre (NRC), Cairo, Egypt, under research project no. 12050304.