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Changes in Physiological and Agronomical Parameters of Barley ( Hordeum vulgare ) Exposed to Cerium and Titanium Dioxide Nanoparticles

Author

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  • Luca Marchiol

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy)

  • Alessandro Mattiello

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy
    These authors contributed equally to this work.)

  • Filip Pošćić

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy
    These authors contributed equally to this work.)

  • Guido Fellet

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy
    These authors contributed equally to this work.)

  • Costanza Zavalloni

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy
    Agriculture Studies Department, California State University Stanislaus, One University Circle, Turlock, CA 95382, USA)

  • Elvio Carlino

    (IOM-CNR Laboratorio TASC, Area Science Park Basovizza, Bld MM, SS 14, Km 163.5, 34149 Trieste, Italy)

  • Rita Musetti

    (DI4A—Department of Agriculture, Food, Environment and Animal Sciences—University of Udine, via delle Scienze 206, I-33100 Udine, Italy)

Abstract

The aims of our experiment were to evaluate the uptake and translocation of cerium and titanium oxide nanoparticles and to verify their effects on the growth cycle of barley ( Hordeum vulgare L.). Barley plants were grown to physiological maturity in soil enriched with either 0, 500 or 1000 mg·kg −1 cerium oxide nanoparticles ( n CeO 2 ) or titanium oxide nanoparticles ( n TiO 2 ) and their combination. The growth cycle of n CeO 2 and n TiO 2 treated plants was about 10 days longer than the controls. In n CeO 2 treated plants the number of tillers, leaf area and the number of spikes per plant were reduced respectively by 35.5%, 28.3% and 30% ( p ≤ 0.05). n TiO 2 stimulated plant growth and compensated for the adverse effects of n CeO 2 . Concentrations of Ce and Ti in aboveground plant fractions were minute. The fate of nanomaterials within the plant tissues was different. Crystalline n TiO 2 aggregates were detected within the leaf tissues of barley, whereas n CeO 2 was not present in the form of nanoclusters.

Suggested Citation

  • Luca Marchiol & Alessandro Mattiello & Filip Pošćić & Guido Fellet & Costanza Zavalloni & Elvio Carlino & Rita Musetti, 2016. "Changes in Physiological and Agronomical Parameters of Barley ( Hordeum vulgare ) Exposed to Cerium and Titanium Dioxide Nanoparticles," IJERPH, MDPI, vol. 13(3), pages 1-18, March.
    • Handle: RePEc:gam:jijerp:v:13:y:2016:i:3:p:332-:d:65991
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    Cited by:

    1. Filip Pošćić & Alessandro Mattiello & Guido Fellet & Fabiano Miceli & Luca Marchiol, 2016. "Effects of Cerium and Titanium Oxide Nanoparticles in Soil on the Nutrient Composition of Barley ( Hordeum vulgare L.) Kernels," IJERPH, MDPI, vol. 13(6), pages 1-15, June.

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