Negative Effects of Foliar Application of TiO2 NPs on Crops
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Questions and Answers

What is one of the benefits of foliar application of nanoparticles in agriculture?

  • Increasing heavy metal toxicity in plants
  • Limiting root and shoot growth
  • Inducing oxidative stress in plants
  • Reducing heavy metal accumulation in plants (correct)

    • What is a potential issue with the use of foliar nanoparticles in agriculture?

  • Improving gene expressions in plants
  • Boosting nutrient content in crops
  • Enhancing soil utilization rate
  • Raising food safety concerns (correct)

    • Which activity has been shown by foliar applied TiO2 nanoparticles?

  • Increasing photosynthetic pigment content
  • Inducing heavy metal accumulation
  • Germicidal activity (correct)
  • Promoting root and shoot growth

    • How can foliar application of high concentrations of metal nanoparticles impact crops?

    <p>Cause electrolyte leakage and membrane damage</p> Signup and view all the answers

    What adverse effects can CuO and Ag nanoparticles have on plants?

    <p>Affect the structure and function of photosynthetic machineries</p> Signup and view all the answers

    What are potential symptoms after foliar application of CuO nanoparticles?

    <p>Stomata closure</p> Signup and view all the answers

    Why is the use of foliar nanoparticles limited in agriculture?

    <p>Unknown toxicity risks</p> Signup and view all the answers

    How can foliar application of NPs impact plant yield?

    <p>(1) Cause electrolyte leakage and membrane damage, (2) Decrease photosynthetic pigment content, (3) Induce oxidative stress</p> Signup and view all the answers

    What are some hazards that can be reduced by foliar application of NPs?

    <p>(1) Yield reduction, (2) Low soil utilization rate, (3) Heavy metal accumulation</p> Signup and view all the answers

    What do NP-loaded vegetables and plant-based products like feed impose on consumers?

    <p>Toxicity risks</p> Signup and view all the answers

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