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March 21, 2026Industrial Crops and ProductsOpen Access

Silica nanoparticles as a nano-elicitor: Modulating tomato (Solanum lycopersicum L.) plants metabolism to suppress bacterial wilt

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Authors

LWLinlin WangHarbin University of Science and TechnologyJLJiayi LiSoutheast UniversitySLSicong LiSouth China Agricultural University

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Implication

Demonstrates the effectiveness of silica nanoparticles in enhancing tomato immune response, suggesting a novel pest control method.

Key Points

  • The aim is to explore how silica nanoparticles can stimulate tomato plants' defenses against bacterial wilt disease.
  • Foliar application of silica nanoparticles to tomato plants
  • Assessment of disease severity and plant biomass
  • Physiological analyses for enzyme activity
  • Untargeted metabolomics for metabolite profiling
  • Machine learning analysis on defense mechanisms
  • SiO 2 NPs reduced disease severity by up to 43.9%
  • Increased shoot biomass by 35.4% and root biomass by 124.0%
  • Enhanced activity of lipoxygenase and peroxidase enzymes
  • Activation of key metabolic pathways like α-linolenic acid metabolism and phenylpropanoid biosynthesis
  • Significant upregulation of defense-related genes MAPK1, MAPK3, and WRKY53

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69be36f76e48c4981c676323https://doi.org/10.1016/j.indcrop.2026.123078
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