Antagonistic Effects and Volatile Organic Compound Profiles of Rhizobacteria in the Biocontrol of

Overview

Journal Plants (Basel)

Date 2024 Nov 27

PMID 39599433

Authors

Jose Luis Avila-Oviedo

Carlos Mendez-Inocencio

Maria Dolores Rodriguez-Torres

Maria Valentina Angoa-Perez

Mauricio Nahuam Chavez-Aviles

Erika Karina Martinez-Mendoza

Ernesto Oregel-Zamudio

Edgar Villar-Luna

Affiliations

Soon will be listed here.

Abstract

is a devastating pathogen in horticultural crops, particularly affecting (pepper). The overuse of chemical fungicides has led to resistance development, necessitating alternative strategies. This study investigates the antagonistic effects of four rhizobacterial isolates ( sp., , , ) against , focusing on the production of volatile organic compounds (VOCs). Using in vitro dual culture assays, we observed a significant inhibition of mycelial growth and sporangia production, especially by and . The GC-MS/SPME-HS analysis identified key VOCs responsible for these antagonistic effects. Our findings demonstrate that specific rhizobacteria and their VOCs offer a promising biocontrol strategy, potentially reducing the reliance on chemical fungicides and contributing to sustainable agriculture.

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