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Updated: Jun 6, 2026

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
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Published on: April 11, 2013

Using Trichoderma spp. to Biological Control of Rhizoctonia solani Root Rot in Faba Beans.

Kamal A M Abo-Elyousr1,2, Esmat F Ali3, Abeer S Alqurashi3

  • 1Department of Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia.

Journal of Basic Microbiology
|June 5, 2026
PubMed
Summary

Rhizoctonia solani causes destructive root rot in faba beans. Trichoderma fungi, particularly T. asperellum, show potential for biological control, reducing disease and enhancing plant defenses against this soil-borne pathogen.

Keywords:
Rhizoctonia solaniTrichoderma spp.biological controldefense‐related enzymesfaba beaninduced systemic resistance

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Dry Root Rot Disease Assays in Chickpea: a Detailed Methodology
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Published on: January 17, 2021

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Dry Root Rot Disease Assays in Chickpea: a Detailed Methodology
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Published on: January 17, 2021

Area of Science:

  • Agricultural Science
  • Plant Pathology
  • Microbiology

Background:

  • Root rot, caused by Rhizoctonia solani, significantly limits faba bean (Vicia faba L.) yield.
  • Effective disease management strategies are crucial for sustainable faba bean production.

Purpose of the Study:

  • To assess the pathogenicity of Rhizoctonia solani isolates.
  • To evaluate the efficacy of Trichoderma species as biological control agents against R. solani in faba beans.
  • To investigate the impact of Trichoderma on plant defense mechanisms.

Main Methods:

  • Pathogenicity of R. solani isolates was determined using morphological characterization and ITS rDNA sequencing.
  • In vitro antagonism of Trichoderma atroviride and T. asperellum against R. solani was tested via dual culture.
  • Greenhouse trials compared Trichoderma efficacy with a chemical fungicide, assessing disease incidence and plant health.

Main Results:

  • Both Trichoderma species significantly inhibited R. solani mycelial growth in vitro (>85% inhibition).
  • Greenhouse application of Trichoderma spp. reduced damping-off and root rot incidence, increasing healthy plant survival.
  • T. asperellum demonstrated superior disease suppression compared to T. atroviride, though a chemical fungicide was most effective.

Conclusions:

  • Trichoderma spp., especially T. asperellum, represent a viable biological control alternative or supplement to chemical fungicides for managing R. solani root rot in faba beans.
  • Trichoderma treatment induced systemic resistance in plants, evidenced by increased defense-related enzyme activity.
  • These findings support the integrated management of faba bean root rot using biological control agents.