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May 24, 2026International Journal of Molecular SciencesOpen Access

Comparative Biocontrol Efficacy and Mechanisms of Indirect and Direct Application Methods Against Leaf Spot Caused by Pseudomonas syringae pv. aptata in Sugar Beet

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Authors

TTTamara Krstić TomićMNMarija NedeljkovićAMAleksandra Mesaroš

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Overview

Randomized trial compares direct and indirect biocontrol methods in sugar beet against pathogens, suggesting enhanced defense mechanisms.

Key Points

  • This research aims to evaluate the biocontrol efficacy of rhizobacteria through direct and indirect application methods against Pseudomonas syringae in sugar beet.
  • Selected rhizobacteria strains from sugar beet microbiome for indirect application through seed priming.
  • Conducted direct application by treating plants simultaneously with the pathogen and biocontrol strain.
  • Analyzed enzyme activities and gene expression related to plant defense mechanisms.
  • Direct application resulted in a greater reduction in lesions and lower H2O2 concentration compared to indirect application.
  • Indirect application showed higher activity of antioxidant enzymes and enhanced expression of defense-related genes under specific conditions.
  • The T2 consortium performed best in direct biocontrol, effectively reducing lesions.

Cite This Study

Tomić et al. (2026) studied this question.

synapsesocial.com/papers/6a1296c748a0ea1665673d49https://doi.org/10.3390/ijms27114672
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