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Microbiology Research
Volume 11
Issue 1
10.4081/mr.2020.8443
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Microbiology Research is published by MDPI from Volume 11 Issue 2 (2020). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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Article

Influence of Pseudomonas spp. on Okra (Abelomuscus esculantaus L.) Growth Parameters and Antioxidant Activities under Soil Salinity

by
Shobhit Raj Vimal
,
Ashish Kumar Singh
and
Jay Shankar Singh
*
Department of Environmental Microbiology, Babashaeb Bhimrao Ambedkar University, Lucknow, India
*
Author to whom correspondence should be addressed.
Microbiol. Res. 2020, 11(1), 8443; https://doi.org/10.4081/mr.2020.8443
Submission received: 7 January 2020 / Revised: 7 January 2020 / Accepted: 8 February 2020 / Published: 5 August 2020

Abstract

In this study total twenty seven gram negative NaCl tolerant rhizobacterial strains were isolated from disturbed soils of Lucknow districts. The 3 selected sampling sites were Bijnor, Pasi Quila and Babasaheb Bhimrao Ambedkar University Campus, Lucknow, India. The isolates have been investigated for different plant growth promoting and biochemical activities. Based on morphological and biochemical tests the total eight (8) rhizobacterial strains were designated as Pseudomonas spp. Among PGP traits, all 8 Pseudomonas strains were examined for Indole-3-Acetic Acid (IAA) production activity. The bacterialisolate IAA4 produces maximum 21.16 ± 3.24 μg mL–1 of IAA at 100 μg mL−1 tryptophan concentration among Pseudomonas strains. This strain show excellent P solubilization and N fixatation in qualitative assay. The higher amount of NaCl salt in soils positively reduces paddy plant physiology and growth parameters. The IAA4 inoculation in okra seeds significantly (p < 0.001) improved plant growth parameters, green pigments and modulate antioxidant activities under pot experimental study.
Keywords: Abelmoschus esculentus; antioxidants; agriculture; stress; saline soil Abelmoschus esculentus; antioxidants; agriculture; stress; saline soil

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MDPI and ACS Style

Vimal, S.R.; Singh, A.K.; Singh, J.S. Influence of Pseudomonas spp. on Okra (Abelomuscus esculantaus L.) Growth Parameters and Antioxidant Activities under Soil Salinity. Microbiol. Res. 2020, 11, 8443. https://doi.org/10.4081/mr.2020.8443

AMA Style

Vimal SR, Singh AK, Singh JS. Influence of Pseudomonas spp. on Okra (Abelomuscus esculantaus L.) Growth Parameters and Antioxidant Activities under Soil Salinity. Microbiology Research. 2020; 11(1):8443. https://doi.org/10.4081/mr.2020.8443

Chicago/Turabian Style

Vimal, Shobhit Raj, Ashish Kumar Singh, and Jay Shankar Singh. 2020. "Influence of Pseudomonas spp. on Okra (Abelomuscus esculantaus L.) Growth Parameters and Antioxidant Activities under Soil Salinity" Microbiology Research 11, no. 1: 8443. https://doi.org/10.4081/mr.2020.8443

APA Style

Vimal, S. R., Singh, A. K., & Singh, J. S. (2020). Influence of Pseudomonas spp. on Okra (Abelomuscus esculantaus L.) Growth Parameters and Antioxidant Activities under Soil Salinity. Microbiology Research, 11(1), 8443. https://doi.org/10.4081/mr.2020.8443

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