The The effects of bio-fertilization and two levels of chemical fertilization on wheat (Triticum aestivum L.) under drought conditions

  • Dina A. saad -1College of Health and Medical Technology, Gilgamesh Ahliya University, Baghdad, Iraq
  • Ayyad W. Al-Shahwany Department of Biology, College of Science, Baghdad University, Baghdad, Iraq
  • Hadi M. Aboud Directorate of Agriculture Research, Ministry of science and technology, Baghdad, Iraq
Keywords: Antioxidant enzymes, Azotobacter sp, Bio-fertilizers, Glomus mosseae, Wheat, drought conditions

Abstract

      A filed experiment was conducted to consider the impacts of bio-fertilizers (Azotobacter chroococcum and Glomus mosseae)  and two levels of chemical fertilization ( 50% and 100% of recommended dose) on proline content and activities of antioxidant enzymes (catalase and peroxidase) in wheat Triticum aestivum L. cultivar IPA 99 under drought conditions (50% and 20% of soil field capacity). Bio-fertilization involved treatment with   A. chroococcum (Azoto) and G. mosseae (AMF), singly or in combination. The experiment was conducted by applying a Randomized Complete Block Design (RCBD) with three replications. The results of this study showed that the treatment utilizing Azoto+AMF fertilizer with concentrated chemical fertilizer  (100%) significantly decreased proline content and the activities of antioxidant enzymes under drought conditions. In addition, the percentage of mycorrihzal root infection was increased. The lowest values of proline content and catalase and peroxidase activities (3.35 µmole/g, 84.52 unit/ml, 90.90 unit/ml, respectively) were achieved by the application of combined bio-fertilizers with 100% of chemical fertilizer and 50% water deficit. The combined bio-fertilizer application with 50% of chemical fertilizer and 20% water deficit achieved the maximum mycorrihzal infection percentage (90%).

 

 

Published
2021-11-03
How to Cite
saad, D. A., Al-Shahwany, A. W., & Aboud, H. M. (2021). The The effects of bio-fertilization and two levels of chemical fertilization on wheat (Triticum aestivum L.) under drought conditions . Iraqi Journal of Science, 62(10), 3443-3452. https://doi.org/10.24996/ijs.2021.62.10.3
Section
Biology