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Negative Effects of Foliar Application of TiO2 NPs on Crops

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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?

Cause electrolyte leakage and membrane damage Signup and view all the answers

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

Affect the structure and function of photosynthetic machineries Signup and view all the answers

What are potential symptoms after foliar application of CuO nanoparticles?

Stomata closure Signup and view all the answers

Why is the use of foliar nanoparticles limited in agriculture?

Unknown toxicity risks Signup and view all the answers

How can foliar application of NPs impact plant yield?

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

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

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

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

Toxicity risks Signup and view all the answers