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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(2): 2855-2863
DOI: https://doi.org/10.20546/ijcmas.2018.702.348


Potentiality of Native Pseudomonas spp. in Promoting Sugarcane Seedling Growth and Red Rot (Colletotrichum falcatum went) Management
P. Kishore Varma*, K.V.K. Kumar, M. Suresh, N. Raja Kumar and V.C. Sekhar
Regional Agricultural Research Station, Anakapalli, Visakhapatnam, Andhra Pradesh-531001, India
*Corresponding author
Abstract:

Eight native strains of Pseudomonas spp. were isolated from rhizosphere of various sugarcane clones on Pseudomonas agar using standard protocols. These strains were characterized for antagonistic traits on red rot pathogen in vitro and Plant growth-promoting (PGP) activities in greenhouse up to 30 days from single node setts in portrays as sett treatment (@109 CFU ml-1). The promising isolate was characterized up to species level by PCR amplification of 16S rDNA region using Pseudomonas specific primers. Elite strain was identified as P. putida strain AKP-1. Our results indicated that, Pseudomonas strains were inhibitory to C. falcatum (1.4 to 69.2% inhibition). Majority of isolates produced catalase, protease and HCN; however, only few isolates were IAA producers and phosphate solubilizers. In Greenhouse, all the isolates were found to enhance sugarcane seedling growth, however, the P. putida strain AKP-1 was found superior over others. Our future studies are directed in establishing the endophytic nature, if any, of these elite strains in sugarcane and in confirming the antagonistic activity on C. falcatum in GH and field besides PGP activities.


Keywords: Biological control, Colletotrichum, PGPR, Pseudomonas, Red rot
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How to cite this article:

Kishore Varma, P., K.V.K. Kumar, M. Suresh, N. Raja Kumar and Sekhar, V.C. 2018. Potentiality of Native Pseudomonas spp. in Promoting Sugarcane Seedling Growth and Red Rot (Colletotrichum falcatum went) Management.Int.J.Curr.Microbiol.App.Sci. 7(2): 2855-2863. doi: https://doi.org/10.20546/ijcmas.2018.702.348