Cited by 79Plant-Microbe Interactions and ImmunityAgriculture, Plant Science, Crop ManagementPlant Growth Enhancement Techniques

Cytokinin Production by Azospirillum brasilense Contributes to Increase in Growth, Yield, Antioxidant, and Physiological Systems of Wheat (Triticum aestivum L.)

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Zaheer, Muhammad Saqlain, Ali, Hafiz Haider, Iqbal, Muhammad Arslan, Erinle, Kehinde O., Javed, Talha, Iqbal, Javaid, Hashmi, Makhdoom Ibad Ullah, Mumtaz, Muhammad Zahid +4 more·2022·Frontiers in Microbiology

Abstract

Plant growth-promoting rhizobacteria are known to associate with several cereal crops. The rhizobacterium exerts its function by synthesizing diverse arrays of phytohormones, such as cytokinin (Ck). However, it is difficult to determine the plant growth promotion when a bacterium produces many different kinds of phytohormones. Therefore, to assess the involvement of Ck in growth promotion and activation of antioxidant and physiological systems, we set up this experiment. Wheat seeds (Triticum aestivum L.) were inoculated with Azospirillum brasilense RA−17 (which produces zeatin type Ck) and RA−18 (which failed to produce Ck). Results showed that seed inoculation with RA−17 significantly improved growth and yield-related parameters compared with RA−18. The activity of enzymes, proline contents, and endogenous hormonal levels in wheat kernels were improved considerably with RA−17 than with RA−18. Strain RA−17 enhanced grain assimilation more than strain RA−18 resulting in a higher crop yield. These results suggest that microbial Ck production may be necessary for stimulating plant growth promotion and activating antioxidant and physiological systems in wheat.

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  1. Bartolini S. Carrozza G. P. Scalabrelli G. Toffanin A. (2017). Effectiveness of Azospirillum brasilense Sp245 on young plants of Vitis vinifera L. Open Life Sci. 12, 365– 372. 10.1515/biol-2017-0042 · DOI
  2. Bremner J. M. (1965). “Total nitrogen and inorganic forms of nitrogen,” in Methods of Soil Analysis, eds v C.A. Black (Madison, Wisconsin American Society of Agronomy), pp. 1149– 1237.
  3. Ghorbanpour M. Hatami M. Khavazi K. (2013). Role of plant growth promoting rhizobacteria on antioxidant enzyme activities and tropane alkaloid production of Hyoscyamus niger under water deficit stress. Turk. J. Biol. 37, 350– 360. 10.3906/biy-1209-12 · DOI
  4. Steel R. G. D. Torrie J. H. Dickey D. A. (1997). Principles and Procedures of Statistics, A Biometrical Approach (3rd ed.). New York, NY: Book Co, pp. 352– 358.

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Authors
Zaheer, M. S., Ali, H. H., Iqbal, M. A., Erinle, K. O., Javed, T., Iqbal, J., Hashmi, M. I. U., Mumtaz, M. Z., Salama, E. A. A., Kalaji, H. M., Wróbel, J., & Dessoky, E. S.
Affiliations
  • Khwaja Fareed University of Engineering and Information Technology (PK)
  • Government College University, Lahore (PK)
  • The University of Adelaide (AU)
  • Fujian Agriculture and Forestry University (CN)
  • Muhammad Nawaz Shareef University of Agriculture (PK)
  • University of Lahore (PK)
  • Alexandria University (EG)
  • Warsaw University of Life Sciences (PL)
  • West Pomeranian University of Technology in Szczecin (PL)
  • Taif University (SA)
Corresponding author
  • Zaheer, Muhammad Saqlain
  • Ali, Hafiz Haider
Venue
Frontiers in Microbiology
Published
2022-05-19
Volume
13
Pages
886041-886041
ISSN
1664-302X (ISSN-L)
OpenAlex
W4280496439
Cited by
79
References
65
Citations by year
2026: 17 · 2025: 27 · 2024: 17 · 2023: 15 · 2022: 3
FWCI
8.54
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Microbiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Greater South Information System
Funders
Taif University (TURSP-2020/85, TURSP-2020)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
Keywords
Azospirillum brasilense, cytokinin biosynthesis, zeatin, plant growth-promoting rhizobacteria, wheat, seed inoculation, grain yield, antioxidant enzymes, proline, endogenous plant hormones, plant hormones

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