Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania

This study aimed to isolate and identify phosphate solubilizing microorganisms from rhizosphere soils and evaluate their plant growth-promoting traits in vitro. Fifty-six potential phosphate-solubilizing bacteria were isolated, and ten isolates were selected for further characterization based on the...

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Main Authors: Grace MPINDA, Nyambilila AMURI, Hamis TINDWA
Format: Article
Language:Bulgarian
Published: University of Zagreb, Faculty of Agriculture 2024-03-01
Series:Journal of Central European Agriculture
Subjects:
Online Access:https://jcea.agr.hr/articles/771744_Multifunctional_plant_growth_promoting_potential_of_Burkholderia_vietnamiensis_OP984178_and_B_ambifaria_OP984173_isolated__en.pdf
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author Grace MPINDA
Nyambilila AMURI
Hamis TINDWA
author_facet Grace MPINDA
Nyambilila AMURI
Hamis TINDWA
author_sort Grace MPINDA
collection DOAJ
description This study aimed to isolate and identify phosphate solubilizing microorganisms from rhizosphere soils and evaluate their plant growth-promoting traits in vitro. Fifty-six potential phosphate-solubilizing bacteria were isolated, and ten isolates were selected for further characterization based on their performance. Burkholderia species were found to be the predominant solubilizers of insoluble phosphorus sources. Two strains, B. vietnamiensis-OP984178 and B. ambifaria-OP984173, showed the ability to release soluble phosphorus from different sources, including tricalcium phosphate, ferric phosphate, and hard Minjingu rock phosphate powder. Both isolates also demonstrated production of indole acetic acid, with B. vietnamiensis-OP984178 and B. ambifaria-OP984173 producing up to 23.45 μg/ml and 24.24 μg/ml, respectively. Furthermore, the strains showed antifungal efficiencies of 31.48% and 24.81%, respectively, when co-inoculated with Fusarium proliferatum-MZ497514 on potato dextrose agar. The study also identified the nitrogen fixation potential of the two strains. Overall, the findings highlight the potential of the selected Burkholderia strains as biofertilizers and biocontrol agents, making them valuable candidates for sustainable agriculture practices. Further research is recommended to explore the potential of these strains using test crops.
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spelling doaj.art-8f2950a1a27e425e89da3f5b730e32982024-03-26T09:35:29ZbulUniversity of Zagreb, Faculty of AgricultureJournal of Central European Agriculture1332-90492024-03-0125124325410.5513/JCEA01/25.1.4063Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, TanzaniaGrace MPINDANyambilila AMURIHamis TINDWAThis study aimed to isolate and identify phosphate solubilizing microorganisms from rhizosphere soils and evaluate their plant growth-promoting traits in vitro. Fifty-six potential phosphate-solubilizing bacteria were isolated, and ten isolates were selected for further characterization based on their performance. Burkholderia species were found to be the predominant solubilizers of insoluble phosphorus sources. Two strains, B. vietnamiensis-OP984178 and B. ambifaria-OP984173, showed the ability to release soluble phosphorus from different sources, including tricalcium phosphate, ferric phosphate, and hard Minjingu rock phosphate powder. Both isolates also demonstrated production of indole acetic acid, with B. vietnamiensis-OP984178 and B. ambifaria-OP984173 producing up to 23.45 μg/ml and 24.24 μg/ml, respectively. Furthermore, the strains showed antifungal efficiencies of 31.48% and 24.81%, respectively, when co-inoculated with Fusarium proliferatum-MZ497514 on potato dextrose agar. The study also identified the nitrogen fixation potential of the two strains. Overall, the findings highlight the potential of the selected Burkholderia strains as biofertilizers and biocontrol agents, making them valuable candidates for sustainable agriculture practices. Further research is recommended to explore the potential of these strains using test crops.https://jcea.agr.hr/articles/771744_Multifunctional_plant_growth_promoting_potential_of_Burkholderia_vietnamiensis_OP984178_and_B_ambifaria_OP984173_isolated__en.pdfphosphate solubilizationisolationburkholderia sppantifungal efficiencyminjingu phosphate rockferric phosphate
spellingShingle Grace MPINDA
Nyambilila AMURI
Hamis TINDWA
Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
Journal of Central European Agriculture
phosphate solubilization
isolation
burkholderia spp
antifungal efficiency
minjingu phosphate rock
ferric phosphate
title Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
title_full Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
title_fullStr Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
title_full_unstemmed Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
title_short Multifunctional plant growth promoting potential of Burkholderia vietnamiensis-OP984178 and B. ambifaria-OP984173 isolated from rhizosphere soils, Tanzania
title_sort multifunctional plant growth promoting potential of burkholderia vietnamiensis op984178 and b ambifaria op984173 isolated from rhizosphere soils tanzania
topic phosphate solubilization
isolation
burkholderia spp
antifungal efficiency
minjingu phosphate rock
ferric phosphate
url https://jcea.agr.hr/articles/771744_Multifunctional_plant_growth_promoting_potential_of_Burkholderia_vietnamiensis_OP984178_and_B_ambifaria_OP984173_isolated__en.pdf
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