Potential biocontrol and superlative plant growth promoting activity of indigenous Bacillus mojavensis PB-35(R11) of soybean (Glycine max) rhizosphere

Potential biocontrol and superlative plant growth promoting activity of indigenous Bacillus mojavensis PB-35(R11) of soybean (Glycine max) rhizosphere

Disease control using microbes that exhibit beneficial effects on plants to strengthen the host is a foremost requirement in agriculture. The aim of the present study is to search for an effective biocontrol agent against Rhizoctonia solani endowed with high plant growth potential. A total of 95 bac...

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Bibliographic Details
Published in:SN applied sciences Vol. 1; no. 10; p. 1143
Main Authors: Prajakta, Bobde M., Suvarna, Patil P., Raghvendra, Singh P., Alok, Rai R.
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 01-10-2019
Springer Nature B.V
Subjects:
Acetic acid
Aldehydes
Applied and Technical Physics
Bacillus mojavensis
Bacteria
Biological control
Catalase
Chemistry/Food Science
Chitinase
Crop growth
Culture techniques
Cyanides
Disease
Disease control
Earth and Environmental Sciences: Environment
Earth Sciences
Energy and Engineering Strategies for Sustainability (E3S)
Engineering
Environment
Fourier transforms
Gene sequencing
Glycine max
Indoleacetic acid
Infrared analysis
Materials Science
Metabolites
Microorganisms
Microscopy
Pathogens
Pesticides
Plant growth
Potassium
Research Article
Rhizosphere
rRNA 16S
Solubilization
Soybeans
Zinc oxides
India
Rhizosphere
16S rRNA
Soil fortification
Soybean
Antagonistic activity
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Summary:Disease control using microbes that exhibit beneficial effects on plants to strengthen the host is a foremost requirement in agriculture. The aim of the present study is to search for an effective biocontrol agent against Rhizoctonia solani endowed with high plant growth potential. A total of 95 bacterial strains were isolated from the soybean plant rhizosphere and screened in vitro against R. solani by dual culture technique, revealing that strain PB-35(R11) was the most efficient for controlling R. solani with 54.835% inhibition. Isolate PB-35 was identified by 16S ribosomal RNA (rRNA) gene sequencing as Bacillus mojavensis . It was observed that, in order to effectively control R. solani in vitro, B. mojavensis produced volatile metabolites. Fourier-transform infrared (FTIR) analysis revealed the presence of aldehyde (CHO) group (1739.79 cm −1 ), acetyl group (1896.03 cm −1 ), and cyanide group (2360.87 cm −1 ) in the crude extract of isolate PB-35(R11). Furthermore, the siderophore, indole acetic acid (IAA), catalase, oxidase, and chitinase production ability as well as phosphate solubilization potential of PB-35(R11) make it beneficial for crop growth and soil biofortification.
ISSN:2523-3963
2523-3971
DOI:10.1007/s42452-019-1149-1