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Research Article

Agricultural Science Digest, volume 37 issue 3 (september 2017) : 226-231

Plant growth promoting traits shown by bacteria Brevibacterium frigrotolerans SMA23 Isolated from Aloe vera rhizosphere

Meena, Nayan Tara, Baljeet Singh Saharan
1Microbial Resource Technology Laboratory Department of Microbiology, Kurukshetra University, Kurukshetra-136 119, India
Cite article:- Meena, Tara Nayan, Saharan Singh Baljeet (2017). Plant growth promoting traits shown by bacteria Brevibacterium frigrotolerans SMA23 Isolated from Aloe vera rhizosphere. Agricultural Science Digest. 37(3): 226-231. doi: 10.18805/asd.v37i03.9223.

ABSTRACT

Brevibacterium frigrotolerans SMA23 is a gram positive rod shaped bacteria isolated from Aloe vera rhizosphere. 16S rRNA sequencing confirmed the identity of the bacterium as Brevibacterium frigrotolerans. It was capable of growing at temperatures ranging from 10°C to 35°C, but maximum growth was observed at 30°C. It is endowed with multiple plant growth promotion attributes such as phosphate solubilization, IAA production and siderophore production, which are expressed differentially at sub-optimal temperatures. At 10°C it was found to exhibit all the plant growth promotion attributes. This bacterial isolate was able to positively influence and promote the growth and nutrient uptake parameters of wheat (HD 2967) under glasshouse conditions. 

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