Isolation and Characterization of Phosphate Solubilizing Bacteria and Effect of Growth and Nutrient Uptake of Maize Under Pot and Field Conditions

Ates, O.; Çakmakçı, Ramazan; Yalçın, Gülser; Taşpınar, Kadriye; Alveroğlu, Volkan

doi:10.1080/00103624.2022.2070632

Cited by 7 publications

(4 citation statements)

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“…The production of siderophores, ammonia, salicylic acid and phytohormones such as indole acetic acid (IAA), cytokinins, gibberellins, etc. play an important role, recycling of essential elements and the uptake of essential nutrients from the soil and contributing to the mineralization of organic matter containing ACC deaminase, the reduction of ethylene levels in plants, the degradation of organic pollutants and the improvement of the symbiosis of plants and microorganisms [9][10][11]. By reducing production costs and environmental pollutants with PGPR, a new idea and alternative approach to increasing plant growth and yield can help improve agronomic efficiency.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)

Çakmakçı,

Haliloglu,

Türkoğlu

et al. 2023

Agronomy

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Intensive agriculture uses continuous chemical fertilizers to increase crop yields, but excessive use of fertilizers leads to environmental pollution, permanent changes in physicochemical conditions in soil ecology, deterioration of soil biological health, leaching of nutrients, surface and groundwater pollution and eutrophication. Plant growth-promoting rhizobacteria (PGPR) are becoming increasingly important for ensuring crop safety, increasing nutrient uptake and output, lowering fertilizer costs, preventing environmental contamination and promoting sustainable agriculture and agricultural resources. Therefore, the purpose of this study was to identify and evaluate the effects of fifteen bacteria strains that were isolated from various acidic rhizospheric soils as biofertilizers on soil biological properties. Growth, yield and quality traits were analyzed, and various PGPR were identified using 16S ribosomal RNA of Turkish oregano. Fifteen bacterial inoculations with 1-aminocyclopropane-1-carboxylate (ACC) deaminase, N2-fixing, P-solubilizing and/or IAA-producing genes were used in the experiment, which was carried out in a randomized block design with five replicates (each with three pots) and a control without inoculation. Increased biological activity in soil inoculated with bacteria with multiple traits was confirmed by high C and N content in microbial biomass, urease, dehydrogenase and acid and alkaline phosphatase activities. Essential oil content, oil yield, thymol and carvacrol contents increased by 0.5–40.1%, 5.9–71.9%, 0.07–16.7% and 0.3–9.2%, respectively, as a result of bacterial inoculation. Oil content ranged from 2.02% to 2.83%; carvacrol (66.1–72.2%) was the main constituent, followed by thymol (14.5–16.9%) and linalool (1.38–3.68%). Two large PGPR groups were formed based on genetic distance analysis. Responses were variable and depended on the inoculant strain and the parameters being evaluated. The results indicate PGPR has clear potential for improving the yield of cultivated aromatic and essential oil plants, such as oregano.

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Section: Introductionmentioning

confidence: 99%

Effect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)

Çakmakçı,

Haliloglu,

Türkoğlu

et al. 2023

Agronomy

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“…The NG-33 strain inoculation have a remarkable effect on leaf photosynthetic rate and markedly increase plant height by 30-69%, shoot by 15-141%, and root biomass by 25-97% both in loamy and sandy soil, which is better in promoting effect of maize than other results reported by Ateş et al (2022). Likely because the inoculation NG-33 increased plant nutrition availability by converting insoluble P sources.…”

Section: Correlation Of Organic Acid Production With Phosphate Solubi...mentioning

confidence: 65%

An Enterobacter cloacae strain NG-33 that can solubilize phosphate and promote maize growth

et al. 2022

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It is critical to identify and evaluate efficient phosphate-solubilizing bacteria (PSB) that enable P uptake from unavailable forms, and therefore improve the phosphorus (P) uptake efficiency of crops. The Enterobacter cloacae strain NG-33, belonging to PSB, was isolated and identified from calcareous rhizosphere soils in Nonggang National Reserve, Guangxi, China. The stain NG-33 could reduce the pH of the medium to below 5.6, and had the ability to release soluble phosphorus (P; 180.7 μg ml−1) during the culture in the National Botanical Research Institute’s Phosphate medium (NBRIP), and produced such organic acids as gluconic acid (4,881 mg L−1), acetic acid (346 mg L−1), and indole-3-acetic acid (20.4 μg ml−1). It could also convert inorganic P in AlPO4 (Al-P) and FePO4 (Fe-P) into soluble P, with conversion efficiencies of 19.2 μg ml−1 and 16.3 μg ml−1, respectively. Under pot experiments and when compared controls without inoculating NG-33, the shoot and root biomass of maize seedlings showed increases by 140% for shoot biomass and by 97% for root biomass in loamy soil (P sufficient) inoculated with NG-33. In sandy soil (P deficit) supplemented with tricalcium phosphate and inoculated with NG-33, the soluble P content was significantly higher, 58.6% in soil and 33.6% in roots, meanwhile, the biomass of shoots and roots increased by 14.9 and 24.9%, respectively. The growth-promoting effects coupled to the significant increase in leaf net photosynthetic rate and stomatal conductance of plants grown in NG-33-inoculated soil. Inoculating NG-33 could significantly improve the diversity and richness of bacterial population and altered the dominant bacterial population in soil.

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“…Incorporating phosphate solubilizing PGPR with fertilizer is an effective approach to enhancing the availability of P in the soil. This is due to the ability of such PGPR to convert the insoluble form of P into soluble forms (Oufdou et al, 2016;Ateş et al, 2022). A slight decrease in rhizosphere soil pH also can help increase the solubility of nutrients and consequently improve plant nutrient uptake (Gómez-Suárez et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Synergistic effects of Bacillus salmalaya strain 139SI with fertilizer on nutrient uptake and fertilizer use efficiency of oil palm seedlings

Azri, M. H.,

Ismail, S.,

Abdullah, R.

2024

MJM

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Aims: Plant-microbe interaction in the rhizosphere significantly influences nutrient uptake efficiency. Thus, this research was aimed to investigate the potential of Bacillus salmalaya strain 139SI in increasing nutrient use efficiency through its synergistic effects with fertilizer application. Methodology and results: This research analyzed the effects of B. salmalaya strain 139SI inoculant, fertilizer and a combination of both on soil nutrients, vegetative growth, chlorophyll level, photosynthetic activities, nutrient uptake and nutrient use efficiency in oil palm seedlings for four months in a nursery setting. At the end of the research, the inoculation of B. salmalaya strain 139SI resulted in a significant increase in palm growth, chlorophyll level, photosynthetic activities, nutrient uptake and nutrient use efficiency compared to the untreated group. Soil nutrient analysis demonstrated that the inoculation of B. salmalaya strain 139SI led to a notable increase in available nitrogen within the rhizosphere soil. The findings of this research also indicated a noteworthy synergistic effect between the B. salmalaya strain 139SI inoculant and fertilizer. The most promising outcomes for plant growth performance and nutrient uptake were observed when the B. salmalaya strain 139SI inoculant was added to the fertilized palm. Conclusion, significance and impact of study:This research shows that B. salmalaya strain 139SI may work synergistically with fertilizer to enhance nutrient absorption and increase fertilizer usage efficiency. Integrating B. salmalaya into the nutrient management of oil palm seedlings can potentially reduce reliance on synthetic fertilizers, offering advantages to both farmers and the ecosystem.

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Isolation and Characterization of Phosphate Solubilizing Bacteria and Effect of Growth and Nutrient Uptake of Maize Under Pot and Field Conditions

Cited by 7 publications

References 50 publications

Effect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)

Effect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)

An Enterobacter cloacae strain NG-33 that can solubilize phosphate and promote maize growth

Synergistic effects of Bacillus salmalaya strain 139SI with fertilizer on nutrient uptake and fertilizer use efficiency of oil palm seedlings

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