Open Access

Jahal Dangar,

Gunja Vasant,

Shweta Bhatt,

Ragini Raghav,
- Research Scholar, Department of Biotechnology, Atmiya University, Rajkot, Gujarat, India
- Research Scholar, Department of Microbiology, Atmiya University, Rajkot, Gujarat, India
- Assistant Professor, Department of Biotechnology, Atmiya University, Rajkot, Gujarat, India
- Assistant Professor, Department of Biotechnology, Atmiya University, Rajkot, Gujarat, India
Abstract document.addEventListener(‘DOMContentLoaded’,function(){frmFrontForm.scrollToID(‘frm_container_abs_126845’);});Edit Abstract & Keyword
Rhizobacteria that stimulate plant growth have been extensively utilized as biofertilizers to improve the nutrient content of the soil for various crop plants. In the present study, we have isolated plant growth promoting rhizobacteria (PGPR) for rhizospheric soil of groundnut crops from Gujarat agricultural fields in the Saurashtra region. Fifty-two isolates with particular colony characteristics were obtained from rhizospheric soil. All strain was tested for their plant growth promoting (PGP) traits including chitinase assay, phosphate and potassium solubilisation, nitrification, zinc solubilization, indole acetic acid (IAA), ammonia and hydrogen cyanide (HCN) production, gibberellins production and siderophore production in order to explore its potential for improving plant growth. Only three isolates displayed all PGP traits positive and one of the potent isolate was identified using molecular identification. The strain RG12 has close evolutionary similarity with Bacillus haynesii. Furthermore, zinc oxide nanoparticles (ZnO NPs) were synthesized using sol gel method. The nanoparticles were characterized using UV visible spectrophotometer, scanning electron microscope (SEM) and transmission electron microscope (TEM). The ZnO NPs concentrations (100 to 800 ppm) were used evaluate the optimized concentration with Bacillus haynesii. The pot assay indicated that the combined application of RG12 and ZnO NPs (400 ppm) resulted in highest growth and development of groundnut plants in comparison to all other individual treatments.
Keywords: PGP traits, Bacillus haynesii, ZnO nanoparticles, optimization of ZnO NPs with PGPR (pot assay).
[This article belongs to Special Issue under section in Journal of Polymer and Composites (jopc)]
Jahal Dangar, Gunja Vasant, Shweta Bhatt, Ragini Raghav. Stimulation of Plant Growth Promoting Rhizobacteria with ZnO Nanoparticles to Improve Growth and Development of Groundnut Plants (Arachis Hypogaea L.). Journal of Polymer and Composites. 2024; 12(06):253-269.
Jahal Dangar, Gunja Vasant, Shweta Bhatt, Ragini Raghav. Stimulation of Plant Growth Promoting Rhizobacteria with ZnO Nanoparticles to Improve Growth and Development of Groundnut Plants (Arachis Hypogaea L.). Journal of Polymer and Composites. 2024; 12(06):253-269. Available from: https://journals.stmjournals.com/jopc/article=2024/view=0
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Journal of Polymer and Composites
| Volume | 12 |
| Special Issue | 06 |
| Received | 30/04/2024 |
| Accepted | 16/07/2024 |
| Published | 09/12/2024 |