National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Rhizosphere of a groundnut plant (Arachis hypogea) from agricultural fields of Chittoor district of Andhra Pradesh (India) was explored for isolation of PGPR. A total of 6 isolates from the rhizosphere belonging to different species were isolated. All the isolates showed phosphate solubilization, out of these an isolate coded as Psm6 showed most prominent halo zone was tested in vivo for growth promotion of Groundnut (Arachis hypogaea) under field conditions. Root and Shoot length, Dry and Wet weights were found to be excellent in Psm6 treatment compare to control. Psm6 treated plants showed increase in fresh biomass, dry biomass, root length and shoot length by 19%, 11%, 10% and 12% respectively. Physicochemical properties of soil revealed that soil was slightly alkaline; Nitrogen and phosphorous contents were low in the soil. After treatment with PGPR they showed slight increase and excellent growth of Groundnut under field condition.
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