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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.2019.8(5): 901-909
DOI: https://doi.org/10.20546/ijcmas.2019.805.105


Plant Growth Promotion of Rice as Influenced by Ochrobactrum sp. (MH685438) an Rhizospheric Bacteria Associated with Oryzae sativa
M.S. Vidhyasri*, V. Gomathi and U. Siva Kumar
Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore- 641 003, Tamil Nadu, India
*Corresponding author
Abstract:

Plants subjected to different environmental stresses, of which drought is a major abiotic stress constraint for crop production. Current study, investigated the adverse effects of drought stress on growth and modulation of root system architecture of rice inoculated with drought-tolerant bacteria Ochrobactrum sp. (MH685438). Polyethylene glycol (PEG) solutions of different concentrations (5%, 10%, 15%, 20%, 25% & 30%) were used for drought stress induction artificially. It was observed that growth of bacteria significantly reduced under drought stress, while maximum reduction was caused by PEG (30%) applied. Drought-tolerant bacteria Ochrobactrum sp. (MH685438) identified based on 16S rDNA gene sequence was used to study the effect on drought stress tolerance of rice growth. Rice plants inoculated with Ochrobactrum sp. (MH685438) showed potential to withstand the drought upto 30 % of PEG, also increased the plant shoot and root length when compared to control. The bacterium also improved the germination percentage of rice seeds at different concentration of PEG 6000. Current investigation concluded that application of Ochrobactrum sp. (MH685438) may increase the tolerance capacity of crop plants especially rice against drought.


Keywords: PEG, Drought stress, Ochrobactrum sp. (MH685438), Oryzae sativa
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How to cite this article:

Vidhyasri, M.S., V. Gomathi and Siva Kumar, U. 2019. Plant Growth Promotion of Rice as Influenced by Ochrobactrum sp. (MH685438) an Rhizospheric Bacteria Associated with Oryzae sativa.Int.J.Curr.Microbiol.App.Sci. 8(5): 901-909. doi: https://doi.org/10.20546/ijcmas.2019.805.105