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Title

EFFECTS OF FOLIAR APPLICATION OF ORDINARY AND NANO-PARTICLES OF ZINC OXIDE ON THE ANTIOXIDANT ENZYME ACTIVITY AND PROLINE CONTENT OF TWO ZEA MAYS L. CULTIVARS UNDER SALT STRESS

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Abstract

 This experiment was conducted in order to evaluate the effects of FOLIAR APPLICATION of ordinary and nano-particles of zinc oxide on the response of corn to salinity. Treatments included two corn genotypes (seed mass and Sc 704), three spray levels (zinc oxide, NANO-SIZED zinc oxide, and a spray of water treatment) and three salinity levels (0, 75 and 150 mM NaCl). Shoot dry weight was decreased as the level of salinity was increased and the reduction was greater in seed mass than in Sc 704 cultivar. However, the enzyme activity of SUPEROXIDE DISMUTASE (SOD), CATALASE (CAT) and ascorbat peroxidase (APX), and also the concentration of MDA and proline in leaves were increased under saline conditions. The extent of increases in proline content and the antioxidant enzyme activities was larger in seed mass than in Sc 704. FOLIAR APPLICATION of zinc oxide had significant positive effects on shoot dry weight and on the activity of SOD in leaves. Regardless of cultivars, the extent of increase in the activity of APX under saline condition was smaller when plants were sprayed with NANO-SIZED zinc oxide compared to the ordinary bulk form. The results from this experiment showed that there were positive correlations between the increase in proline content and the enhanced antioxidant enzyme under saline condition and the salt tolerance of cultivar. Although, there were no significant differences between the two tested cultivars in response to zinc oxide FOLIAR APPLICATION, positive effects of NANO-SIZED was more than ordinary form.

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    APA: Copy

    FATHI, ALIREZA, ZAHEDI, MORTEZA, & TORABIAN, SHAHRAM. (2015). EFFECTS OF FOLIAR APPLICATION OF ORDINARY AND NANO-PARTICLES OF ZINC OXIDE ON THE ANTIOXIDANT ENZYME ACTIVITY AND PROLINE CONTENT OF TWO ZEA MAYS L. CULTIVARS UNDER SALT STRESS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 46(2), 0-0. SID. https://sid.ir/paper/720509/en

    Vancouver: Copy

    FATHI ALIREZA, ZAHEDI MORTEZA, TORABIAN SHAHRAM. EFFECTS OF FOLIAR APPLICATION OF ORDINARY AND NANO-PARTICLES OF ZINC OXIDE ON THE ANTIOXIDANT ENZYME ACTIVITY AND PROLINE CONTENT OF TWO ZEA MAYS L. CULTIVARS UNDER SALT STRESS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;46(2):0-0. Available from: https://sid.ir/paper/720509/en

    IEEE: Copy

    ALIREZA FATHI, MORTEZA ZAHEDI, and SHAHRAM TORABIAN, “EFFECTS OF FOLIAR APPLICATION OF ORDINARY AND NANO-PARTICLES OF ZINC OXIDE ON THE ANTIOXIDANT ENZYME ACTIVITY AND PROLINE CONTENT OF TWO ZEA MAYS L. CULTIVARS UNDER SALT STRESS,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 46, no. 2, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/720509/en

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