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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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Original Research Articles

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.2019.8(8): 394-405
DOI: https://doi.org/10.20546/ijcmas.2019.808.045


Impact of Bacterization of Rhizobium and Methylobacterium radiotolerans on Germination and Survivability in Groundnut Seed
M. Priya1, K. Kumutha1 and M. Senthilkumar2*
1Department of Agricultural Microbiology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Madurai -625 104, South India
2Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore- 641 003, India
*Corresponding author
Abstract:

Groundnut contributes 40% of the total oil seeds production in the country. Groundnut is a rainfed crop in kharif season with least productivity. Hence an attempt was made for improving the abiotic stress resistance of plants through seed bacterization with biological agents. The present study was undertaken to examine the impact of bacterization of Rhizobium and Methylobacterium radiotolerans to enhance groundnut germination rate and vigour index. The results showed that groundnut showed higher response to TNAU 14 rhizobial strain, is a common feature with significant increase in germination percentage (100%) and vigour index (4098). The result of the present study indicate that root colonization ability of the phyllosphere bacterium M.radiotolerans individual strain had higher influence on the shoot length (24.1 cm plant-1), root length (24.9 cm plant-1) and seedling length (49.03 cm seedling-1), when compared to co-inoculation and individual inoculation with Rhizobium. Seed survivability of bioinoculants after bacterization showed, M. radiotolerans had extended survival upto 196 h when compared to combined inoculation upto 96 h. The lowest survival was observed in Rhizobium treated seeds up to 72 h. Further the experiment also revealed that M. radiotolerans could have the ability in inducing the induced systemic resistance activity (ISR) in against groundnut seed borne fungal pathogen.


Keywords: Bacterization, Groundnut, Methylobacterium, Rhizobium, vigour index, survivability
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How to cite this article:

Priya, M., K. Kumutha and Senthilkumar, M. 2019. Impact of Bacterization of Rhizobium and Methylobacterium radiotolerans on Germination and Survivability in Groundnut Seed.Int.J.Curr.Microbiol.App.Sci. 8(8): 394-405. doi: https://doi.org/10.20546/ijcmas.2019.808.045