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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(10): 2090-2101
DOI: https://doi.org/10.20546/ijcmas.2017.610.249


Screening of Maize Rhizosperic Phosphate Solubilizing Isolates for Plant Growth Promoting Characteristics
S. Vinod Babu1, S. Triveni1, R. Subhash Reddy1 and J. Sathyanarayana2
1Department of Agricultural Microbiology and Bioenergy, College of Agriculture, Professor Jayashankar Telangana State Agriculture University (PJTSAU), Rajendranagar,Hyderabad, Telangana, India
2Department of Entomology, College of Agriculture, PJTSAU, Rajendranagar,Hyderabad, Telangana, India
*Corresponding author
Abstract:

Maize forms a major part of cereal crops consumed by man and serve as a source of dietary carbohydrates. It is used for livestock feed and it is the cheapest and palatable livestock feed for animals such as pig, cattle, sheep, poultry and it is also a source of raw materials for the production of corn sugar, corn starch, corn syrup and corn oil. In the present study twenty four (24) phosphate solubilizing bacteria (i.e., sixteen Bacillus and eight Pseudomonas) isolated from Maize research station and college farm, Rajendranagar, PJTSAU, Telangana and characterised by their Plant Growth Promoting Properties (PGPR) under in vitro conditions such as P, Zn and K solubilization. The isolate PSB 6 showed maximum Phosphate solubilization zone of 15.50 mm and the solubilization efficiency (%) is 258.33 %. The isolates both PSB 6 and PSB 19 showed maximum Zinc solubilization zone i.e., 14.00 mm and the solubilization efficiency (%) maximum for PSB 6 i.e., 233.30 %. The isolate PSB 11 showed maximum Potassium solubilization zone of 14.00 mm with the solubilization efficiency (%) of 280.00 %. Apart from these all (24) isolates were screened for IAA production, exopolysacharide production, siderophore production and HCN production also. All the isolates responded positively to the IAA production except PSB 5, PSB 15 and PSB 22 were negative. All the isolates (24) were positive to the exopolysacharide production except PSB 10 and PSB 17. All the isolates (24) were positive to the siderophore production except PSB 2, PSB 9, PSB 13 and PSB 19. All the isolates (24) were positive to the HCN production except PSB 11, PSB 17 and PSB 24.


Keywords: Cereal crops, Maize, Carbohydrates, Pseudomonas.
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How to cite this article:

Vinod Babu, S., S. Triveni, R. Subhash Reddy and Sathyanarayana, J. 2017. Screening of Maize Rhizosperic Phosphate Solubilizing Isolates for Plant Growth Promoting Characteristics.Int.J.Curr.Microbiol.App.Sci. 6(10): 2090-2101. doi: https://doi.org/10.20546/ijcmas.2017.610.249