PLANT GROWTH POTENTIAL OF SALT TOLERANT ENDOPHYTE Pseudomonas Sihuiensis ISOLATED FROM CHICKPEA

Navneet   Joshi; Laxmi  Choudhary; Kanti Prakash  Sharma; Hafiz M.N.  Iqbal

doi:10.18006/2021.9(2).231.238

Authors

Navneet Joshi Department of Biosciences, Mody University of Science and Technology, Lakshmangarh, Sikar, Rajasthan, India
Laxmi Choudhary Department of Biosciences, Mody University of Science and Technology, Lakshmangarh, Sikar, Rajasthan, India
Kanti Prakash Sharma Department of Biosciences, Mody University of Science and Technology, Lakshmangarh, Sikar, Rajasthan, India
Hafiz M.N. Iqbal Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico

DOI:

https://doi.org/10.18006/2021.9(2).231.238

Keywords:

Endophyte, Semi-arid zone, Salt stress, Exopolysaccaharide, Biofertilizer, Agricultural use

Abstract

Bacterial endosymbionts are well characterized for plant growth promotion. In this study, the root, nodules, and stem of the Cicer arietinum crop planted in a semi-arid zone were used as a source to isolate potential plant growth bacteria. The ability to grow under salt stress was determined, and the potential isolate was screened for plant growth promotion traits. The selected isolate was identified by the 16S rDNA method. Pot trials were conducted to know the ability of the isolate to promote plant growth in-vivo. Among various isolates obtained, a bacterial isolate obtained from root showed the ability to grow in the presence of 10 % Sodium fluoride (NaF). The isolate produced Indole Acetic acid in an amount of 72 mg per liter in production medium. The bacteria solubilized phosphate and produce exopolysaccharide (2.12 g per liter). The isolate was identified as Pseudomonas sihuiensis. The result of pot trials reveals that the endophyte promotes plant growth under stress conditions and may be used as a bio-fertilizer.

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