Effect of TiO2 Microparticles in Lettuce (Lactuca sativa L.) Seeds and Seedlings

Lima, Ana Kamila Medeiros; Carvalho, A.; Pinheiro, Sergimar Kennedy de Paiva; Torres, Yan; Miguel, Thaiz Batista Azevedo Rangel; Pireda, Saulo; Fechine, Pierre Basílio Almeida; Fregolente, Laís Gomes; Miguel, Emílio de Castro

doi:10.1007/s00128-023-03752-2

Cited by 2 publications

(1 citation statement)

References 37 publications

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“…The negative impact of the photocatalytic activity of nTiO 2 and the resulting oxidative stress has been demonstrated in many plant species and soil microbiota [13] [29] [30] [31] [32] [33]. However, there is very little known about the impact of nTiO 2 nanoparticle size and its concentration on the growth of lettuce plants.…”

Section: Introductionmentioning

confidence: 99%

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)

Rajashekar,

Armstrong

2024

AJPS

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The use of titanium dioxide nanoparticles (nTiO 2 ) is gaining interest in agriculture because of their impact on many aspects of plant growth. The present study examines the effects of nTiO 2 (5 nm and 10 nm) applied to seeds and the seedlings as a foliar application on various aspects of growth characteristics and biomass accumulation in lettuce (Lactuca sativa, cv. Grand Rapids).Application of 10 nm nTiO 2 to seeds through imbibition resulted in a significant reduction in shoot biomass accumulation while 5 nm nTiO 2 did not affect the biomass accumulation in lettuce. The application of 10 nm nTiO 2 reduced the fresh shoot biomass accumulation by about 18% compared to the control plants. Other growth characteristics such as shoot dry biomass, root fresh and dry biomass, plant height, and leaf area were not affected by the application of both 5 nm and 10 nm nTiO 2 . In addition, foliar application of these nanoparticles to the lettuce seedlings did not have a significant effect on most of the growth parameters examined, and the increasing concentration ranging from 5 nm/L to 400 mg/L did not produce a consistent response in lettuce. Thus, nTiO 2 application to lettuce seeds had a notable negative impact on shoot growth while foliar application did not have a significant effect on many plant growth characteristics. However, foliar applications produced some symptoms of toxicity to the foliage in the form of necrotic or chlorotic patches on the leaves, which were more pronounced with increasing concentrations of both 5 nm and 10 nm nTiO 2 . However, these symptoms were apparent at a concentration as low as 50 mg/L of nTiO 2 . Thus, foliar application of nTiO 2 may not have a significant impact on many of the growth characteristics in lettuce, but it can result in foliar toxicity.

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Section: Introductionmentioning

confidence: 99%

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)

Rajashekar,

Armstrong

2024

AJPS

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TiO2-NPs/ZnO-NPs@Co3O4 nanocomposite from natural extracts for the Rhodamine 6 G photodegradation

Wouters,

Druzian,

Muraro

et al. 2024

Surfaces and Interfaces

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Effect of TiO2 Microparticles in Lettuce (Lactuca sativa L.) Seeds and Seedlings

Cited by 2 publications

References 37 publications

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)

TiO2-NPs/ZnO-NPs@Co3O4 nanocomposite from natural extracts for the Rhodamine 6 G photodegradation

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Effect of TiO2 Microparticles in Lettuce (Lactuca sativa L.) Seeds and Seedlings

Cited by 2 publications

References 37 publications

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (&lt;i&gt;Lactuca sativa&lt;/i&gt;)

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (&lt;i&gt;Lactuca sativa&lt;/i&gt;)

TiO2-NPs/ZnO-NPs@Co3O4 nanocomposite from natural extracts for the Rhodamine 6 G photodegradation

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Product

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About

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)

Effect of Titanium Dioxide Nanoparticles on Growth and Biomass Accumulation in Lettuce (<i>Lactuca sativa</i>)