Antifungal Activities of Endophytic Fungus Trichoderma viride against Fusarium oxysporum

Document Type : Original Article

Authors

1 Botany Department, Faculty of Science, Mansoura University, Mansoura, Egypt

2 Plant Pathology Department, Faculty of Agriculture, Mansoura University, Egypt

Abstract

Endophytic fungi have drawn a lot of attention as biological control agents against numerous plant diseases and as stimulators of plant growth. This work used an in vitro dual culture experiment to assess endophytic fungal species isolated from different plant types against the phytopathogen Fusarium oxysporum. Trichoderma spp. are significant biocontrol agents that have been successfully used to address a number of plant diseases. The goal of the current investigation was to assess Trichoderma viride's ability to be antagonistic to F. oxysporum. The findings of the current investigation unmistakably demonstrated that the dual culture approach was used to evaluate the antagonistic activity of each of the 24 endophytic fungal isolates against F. oxysporum. We noticed significant variation in the 24 isolates' inhibitory efficacy against the pathogen, with inhibition ranging from 90% to 63.75%. In dual culture investigations, the endophytic Trichoderma isolates generally inhibited F. oxysporum more potently than the control isolate. One of the most promising endophytic isolates was chosen, and its potential for producing soluble inhibitory metabolites for F. oxysporum was further evaluated. Overall, based on the in vitro tests, Trichoderma viride was discovered to be the most promising, with dual culture studies indicating a 90% inhibition of F. oxysporum growth

Keywords

Mansoura Journal of Biology
Volume 59, Issue 6
December 2022
Pages 34-44

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