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Microbiology Research
Volume 10
Issue 1
10.4081/mr.2019.7844
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Article

Isolation of Potential Fluorescent Pseudomonads from Kuini (Mangifera odorata) Planted Soil and Their Potential as Biofertilizer

by
Seng Heng Jeffrey Lim
* and
Nur Samahah Mohd Zainual
Green Technology Program, Agrobiodiversity and Environment Research Center, Malaysian Agricultural Research and Development Institute, Persiaran MARDI-UPM, Serdang, Selangor, Malaysia
*
Author to whom correspondence should be addressed.
Microbiol. Res. 2019, 10(1), 7844; https://doi.org/10.4081/mr.2019.7844
Submission received: 23 August 2018 / Revised: 13 February 2019 / Accepted: 24 February 2019 / Published: 8 April 2019

Abstract

Pseudomonas sp. are known to be good Plant Growth Promoting Rhizobacteria (PGPR). In this study, Pseudomonas sp. were isolated from soil planted with kuini (Mangifera odorata) using soil dilution method and spread onto King’s B media. Five isolates of Pseudomonas sp. were observed to give promising results in the phytohormone and antimicrobial test conducted. These isolates are Pseudomonas sp. isolate K24pf, K29pf, K32pf, K33pf and K37pf. From the 5 potential isolates, Pseudomonas sp. isolate K29pf was chosen because it showed potential activity in producing marked amounts of Indole-3-Acetic Acid and gibberellic acid. Pseudomonas sp. isolate K29pf also produced antimicrobial activities towards Ralstonia solanacearum, Erwinia caratovora, Erwinia mallotivora and Colletotrichum gloeosporioides. Seed germination test showed that Pseudomonas sp. isolate K29pf was able to promote approximately 90% growth of Brassica chinensis seeds. Pot trial conducted showed that Treatment 3 (+OF+PGPR) was able to increase Brassica chinensis root by 36.5% and 28.4% of its biomass compared to treatment using Treatment 1 (+OF).
Keywords: plant growth promoting; rhizobacteria; fluorescent pseudomonads; biofertilizer; Mangifera odorata plant growth promoting; rhizobacteria; fluorescent pseudomonads; biofertilizer; Mangifera odorata

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MDPI and ACS Style

Jeffrey Lim, S.H.; Mohd Zainual, N.S. Isolation of Potential Fluorescent Pseudomonads from Kuini (Mangifera odorata) Planted Soil and Their Potential as Biofertilizer. Microbiol. Res. 2019, 10, 7844. https://doi.org/10.4081/mr.2019.7844

AMA Style

Jeffrey Lim SH, Mohd Zainual NS. Isolation of Potential Fluorescent Pseudomonads from Kuini (Mangifera odorata) Planted Soil and Their Potential as Biofertilizer. Microbiology Research. 2019; 10(1):7844. https://doi.org/10.4081/mr.2019.7844

Chicago/Turabian Style

Jeffrey Lim, Seng Heng, and Nur Samahah Mohd Zainual. 2019. "Isolation of Potential Fluorescent Pseudomonads from Kuini (Mangifera odorata) Planted Soil and Their Potential as Biofertilizer" Microbiology Research 10, no. 1: 7844. https://doi.org/10.4081/mr.2019.7844

APA Style

Jeffrey Lim, S. H., & Mohd Zainual, N. S. (2019). Isolation of Potential Fluorescent Pseudomonads from Kuini (Mangifera odorata) Planted Soil and Their Potential as Biofertilizer. Microbiology Research, 10(1), 7844. https://doi.org/10.4081/mr.2019.7844

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