Characterization of Siderophore Producing Rhizobacteria and Its Effect on Growth Performance of Different Vegetables

Pahari, Avishek; Rai, B. B.; ra, Mish

doi:10.20546/ijcmas.2017.605.152

Cited by 49 publications

(11 citation statements)

References 15 publications

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“…Our findings indicated that PSB can remain viable in soil for up to 56 days (Table 2 ), which agrees with the results of a study by Pahari & Mishra 59 , who established that PSBs can survive in soil up to 180 days. Furthermore, Hameeda et al .…”

Section: Discussionsupporting

confidence: 93%

Phosphate-Solubilizing Bacteria Nullify the Antagonistic Effect of Soil Calcification on Bioavailability of Phosphorus in Alkaline Soils

Adnan

Shah

Fahad

et al. 2017

Sci Rep

104

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Phosphate-solubilizing bacteria (PSB) reduce the negative effects of soil calcification on soil phosphorus (P) nutrition. In this incubation study, we explored the ability of PSB (control and inoculated) to release P from different P sources [single super phosphate (SSP), rock phosphate (RP), poultry manure (PM) and farm yard manure (FYM)] with various soil lime contents (4.78, 10, 15 and 20%) in alkaline soil. PSB inoculation progressively enriched Olsen extractable P from all sources compared to the control over the course of 56 days; however, this increase was greater from organic sources (PM and FYM) than from mineral P sources (SSP and RP). Lime addition to the soil decreased bioavailable P, but this effect was largely neutralized by PSB inoculation. PSB were the most viable in soil inoculated with PSB and amended with organic sources, while lime addition decreased PSB survival. Our findings imply that PSB inoculation can counteract the antagonistic effect of soil calcification on bioavailable P when it is applied using both mineral and organic sources, although organic sources support this process more efficiently than do mineral P sources. Therefore, PSB inoculation combined with organic manure application is one of the best options for improving soil P nutrition.

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Section: Discussionsupporting

confidence: 93%

Phosphate-Solubilizing Bacteria Nullify the Antagonistic Effect of Soil Calcification on Bioavailability of Phosphorus in Alkaline Soils

Adnan

Shah

Fahad

et al. 2017

Sci Rep

104

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“…Our results reflected that PSB can survive and flourishes in soil for up to 56 days, which agrees with Pahari and Mishra (2017). They documented that PSBs can stay viable in soil almost for 6 months.…”

Section: Discussionsupporting

confidence: 91%

Integration of poultry manure and phosphate solubilizing bacteria improved availability of Ca bound P in calcareous soils

et al. 2019

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A laboratory incubation experiment was executed to examine the role of phosphate solubilizing bacteria (with PSB and without PSB) and poultry manure (4, 8 and 12 t PM ha −1) in improving P mobilization/mineralization under four different lime regimes (4.78, 10, 15 and 20% CaCO 3 M/M) for 56 days using three factorial complete randomized design (CRD) with triplicates. Phosphorus availability progressively increased over time irrespective of PSB inoculation, PM and lime levels. The PSB and PM (4-12 t ha −1) addition into soil significantly increased Olsen P at all incubation intervals. Post incubation PSB survival increased by 12 and 9% with inoculation and 12 t PM ha −1 over control and 4 t PM ha −1 , respectively. Liming ominously reduced P mobilization/mineralization by 1.3, 2.6 and 10.5% and PSB population by 6.6, 7.3 and 16.3% at 10, 15 and 20% (lime), respectively, over control at day 56. However, PSB and PM addition (with increasing rate) into soil significantly counterbalanced these ill effects of lime. Thus, the application of PSB and PM is a promising measure to enhance P availability in calcareous soils and shall be practiced.

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“…Qualitative estimation by CAS assay and quantitative by CAS shuttle assay are popularly used to estimate siderophore production. Similar results were reported by Application of Response Surface Methodology for Optimization of Siderophore Production Pahari and Mishra, (2017). Raval and Desai, (2015) reported that the use of the CAS assay as a comprehensive, exceptionally responsive and most convenient.…”

Section: Estimation Of Siderophore Production By Qualitative and Quantitative Assaysupporting

confidence: 79%

Application of Response Surface Methodology for Optimization of Siderophore Production

Nimbalkar¹,

Barge²,

Marathe³

et al. 2021

IJARe

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Background: In the present study a statistical model (Response Surface Methodology) was proposed for optimization of siderophore production by using Enterobacter hormaechei.Methods: The rhizospheric soil was used for isolation and isolates were screened for siderophore production by chrome-azurol S (CAS) assay. One potent isolate producing maximum siderophore was selected and characterized by 16S rRNA gene sequencing. The culture conditions were optimized for maximum siderophore production by using Central Composite Design. The response surface curves were used to predict the optimum levels of the factors affecting the yield of siderophore. Result: By using rhizospheric soil,eight isolates were obtained and one potent organism was identified as Enterobacter hormaechei subsp. oharae (Accession No. MT 775835) by BLAST. The maximum siderophore production (98%) was obtained in succinate medium and the optimum values of variables were found as pH 7, time 60 hrs, temp. 28°C and succinic acid conc. 0.40%. RSM was used to analyze the data by developing 3D surface plots and the residuals plots. ANOVA was used to determine regression coefficients.

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Characterization of Siderophore Producing Rhizobacteria and Its Effect on Growth Performance of Different Vegetables

Cited by 49 publications

References 15 publications

Phosphate-Solubilizing Bacteria Nullify the Antagonistic Effect of Soil Calcification on Bioavailability of Phosphorus in Alkaline Soils

Phosphate-Solubilizing Bacteria Nullify the Antagonistic Effect of Soil Calcification on Bioavailability of Phosphorus in Alkaline Soils

Integration of poultry manure and phosphate solubilizing bacteria improved availability of Ca bound P in calcareous soils

Application of Response Surface Methodology for Optimization of Siderophore Production

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