Effect of growth media and plant growth promoting rhizobacteria (PGPR) on growth and flowering indices of China Aster

Authors

  • Sana Mohammadi Zanjan University
  • Masoud Arghavani Department of Horticultural Science, Zanjan University, Zanjan, Iran
  • Mitra Aelaei Department of Horticultural Science, Zanjan University, Zanjan
  • Elham Farahani Department of Soil Science, Ferdowsi University of Mashhad
  • Pegah Sayyad-Amin Department of Horticultural Science and Landscaping Engineering, Ferdowsi University of Mashhad
  • Dr. Somayeh Esmaeili Department of Horticultural Science, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran https://orcid.org/0000-0001-9684-0976

DOI:

https://doi.org/10.14720/aas.2024.120.4.14626

Keywords:

Bacillus subtilis, coco peat , Pseudomonas putida, perlite, soil

Abstract

Our work focused on applying different growth media and plant growth promoting rhizobacteria (PGPR) treatments on growth parameters of China Aster as a worldwide ornamental plant. This plant has many uses such as medicinal plant, seasonal and cut flower and green spaces or landscaping. The treatments included four types of growth media (soil (S), soil+perlite (SP), soil+cocopeat (SC) and soil+cocopeat +perlite (SCP)) and three types of incubation status included incubation with plant growth promoting rhizobacteria (PGPR) of  Bacillus subtilis (B.subtilis) and Pseudomonas putida (P.putida), and no-bacterial incubation with three replicates. Regardless of growth media, P.putida had greater plant height than B.subtilis. SCP with or without bacterial incubation had the highest plant height and numbers of axillary shoots among the applied growth media. SCP with P.putida had the greatest chlorophyll content (1.29 mg.g-1 FW) and leaf area (1495.05 mm2). SCP with or without bacterial incubation had the highest number and diameters of flowers among other treatments. SCP plus P.putida  showed maximum leaf nitrogen (N), SC and SP plus  B.subtilis had highest leaf phosphorous (P) and  potassium (K), respectively. Our results demonstrated that applying SCP as a compound growth media, with or without bacterial incubation, had best effects on growth and flowering indices.

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Published

13. 12. 2024

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Original Scientific Article

How to Cite

Mohammadi, S., Arghavani, M., Aelaei, M., Farahani, E., Sayyad-Amin, P., & Esmaeili, S. (2024). Effect of growth media and plant growth promoting rhizobacteria (PGPR) on growth and flowering indices of China Aster. Acta Agriculturae Slovenica, 120(4), 1−7. https://doi.org/10.14720/aas.2024.120.4.14626

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