Effect of Foliar Application with Sulfur Element and Amino Acid Selenocysteine on Maize (Zea mays L.) Exposed to Stress with Hydrogen Peroxide

Abstract

Abstract A field experiment was conducted during the fall season (2022) in the fields of the College of Agriculture - University of Diyala in order to demonstrate the effect of foliar Application with sulfur element and the amino acid Selenocysteine on maize (Zea mays.L) subjected to hydrogen peroxide stress and its effect on plant height, leaf area, proline and catalase enzyme, the experiment was carried out according to the randomized complete block design (RCBD), a regular global experiment with three replications, and the experimental parameters included the following: Three levels of spraying acid with hydrogen peroxide (0, 5, 10) mg. L-1 and three levels of spraying with the amino acid Selenocysteine (0, 50, 100) mg.L-1, two concentrations of liquid sulfur Zolfast (0, 2.5) g. L-1 and H2O2 was sprayed first, then the two experimental factors were sprayed later. The yellow corn crop was cultivated and the results showed that the values of plant height, leaf area, rollin and catalyse enzyme have increased with significant differences with increasing levels of sulfur spraying (S), and these values increased significantly with increasing spray concentrations of amino acid (Sec), while the studied characteristics decreased when spraying with hydrogen peroxide at a high concentration (H10), and the bilateral interference between the study factors gave a significant increase in the studied characteristics, The triple interference between the three study factors (H2O2 + Sec + S) showed that it treated hydrogen peroxide damage through an increase in all studied characteristics when spraying the plant with homocysteine and sulfur (H10, Sec100, S2.5) and a decrease in the characteristis when not sprayed (H10, Sec0, S0).