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Effect of spraying TiO2 nano particles on some of physiological and chemical parameters in maize (Zea mays L.)

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Author(s): Payam Moaveni 1 , Mohammad Lotfi 2 , Hosseein Aliabadi Farahani 3*, Kasra Maroufi 3

Journal: International Journal of Biosciences
ISSN 2220-6655

Volume: 1;
Issue: 4;
Start page: 63;
Date: 2011;
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Keywords: TiO2 nano particles | SOD | CAT | GPX | MDA and maize.

ABSTRACT
An experiment was carried out using a factorial on the basis of completely randomized block design. The factor of studied included of TiO2 Nano particles spraying affected on some physiological and chemical parameters in maize (Zea mays L.). The factors were spraying in growth stages (stem elongation and 4 leaves stage) and five levels of Tio2 including: control, Bulk Tio2, 0.01, 0.02, and 0.03 percentage). The characters measured were: Super oxide dismutase (SOD), Catalase (CAT), Glutathione peroxidase (GPX) and Malon dialdehyde (MDA). The results showed that the effect of TiO2 Nano particles was significant on SOD, CAT, GPX and MDA in P ≤ 0.01. Mean comparison showed that the highest SOD (1.588 mol/g), CAT (0.206 mol/g), GPX (0.140 mol/g) and MDA (0.140 mol/g) were achieved by Nano particles 0.03% percentage.

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