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Food supply

Green-Synthesized Nanoparticles Show Promise in Mitigating Drought Stress in Tomatoes

Strategic Insights

— 2 min read

Climate change is intensifying drought risk and compromising global food security, and a new study from Alexandria University has found that green-synthesized nanoparticles derived from plant extracts may be an innovative tool to enhance crop resilience to abiotic stresses such as drought. Researchers have been studying the potential of copper oxide nanoparticles synthesized from Moringa plant extracts to alleviate drought stress in tomato plants. Their findings indicate that the Moringa-based CuO nanoparticles may significantly reduce leaf yellowing, increase shoot and root length, and boost total dry biomass and chlorophyll content in tomato plants under drought conditions.

Key Takeaways:

  • Researchers from Alexandria University have developed a method to synthesize copper oxide nanoparticles from Moringa plant extracts, which may be used to enhance crop resilience to drought stress.
  • The study found that foliar applications of the Moringa-based CuO nanoparticles at 6 mg/L concentration were most effective in mitigating drought stress in tomato plants, resulting in a 34% increase in total dry biomass and a 32% increase in total chlorophyll content.
  • The use of green-synthesized CuO nanoparticles offers a sustainable and eco-friendly strategy to mitigate drought stress in economic crops such as tomatoes, providing a promising solution for bolstering food security in the face of climate change and water scarcity challenges.
  • The research highlights the potential of Moringa extracts in improving plant tolerance to abiotic stress, with the Moringa-based CuO nanoparticles exhibiting antimicrobial properties and promoting plant traits.
  • The study involved a multi-disciplinary approach, combining UV-Vis spectrophotometry, Zeta potential, FTIR, SEM, and TEM to characterize the Moringa-based CuO nanoparticles.
  • The researchers tested the efficacy of the nanoparticles in alleviating drought stress in tomato seedlings under normal and drought-induced conditions, using pea extract as a control treatment.

Statistics:

  • The study observed a 34% increase in total dry biomass in tomato plants treated with the Moringa-based CuO nanoparticles at 6 mg/L concentration under drought conditions.
  • The treatment resulted in a 32% increase in total chlorophyll content in the tomato plants.
  • The researchers found a significant reduction in leaf yellowing in the tomato plants treated with the Moringa-based CuO nanoparticles.
  • The study demonstrated the potential of the Moringa-based CuO nanoparticles in promoting the survival of tomato plants under drought conditions.

Sources:

  • Moringa (Moringa oleifera) green-synthesized copper oxide nanoparticles for the drought tolerance of tomato (Solanum lycopersicum). BMC Plant Biology, 2025,25(1):1-15. (BMC Plant Biology - http://bmcplantbiol.biomedcentral.com)
  • NewsRx. Research from Alexandria University Has Provided New Study Findings on Climate Change [Moringa (Moringa oleifera) green-synthesized copper oxide nanoparticles for the drought tolerance of tomato (Solanum lycopersicum)]. Life Science Weekly. June 10, 2025; p 4544.

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