International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 2669-2680

Induction of Systemic Resistance by Bacillus subtilis Isolates against Fusarium Wilt of Chilli
Rajkumar1*, M.K. Naik1, Y.S. Amaresh1 and G. Chennappa2
1Department of Plant Pathology, University of Agricultural Sciences, Raichur, India
2Department of Processing and Food Engineering, University of Agricultural Sciences, Raichur- 584104, India
*Corresponding author

Soil has enormous potential antagonistic mechanism, which have positive influence on plant growth and health. Among the microbes, Bacillus subtilis an endospore forming, gram positive bacteria, plays a major role in biocontrol and PGPR activities. Among the different mechanisms of biocontrol, Induced systemic resistance is the one which induces the resistance by activating the defence related enzymes and increasing the growth parameters. The potential isolates of B. subtilis were studied for induction of systemic resistance. Among them isolate, BS16 recorded highest germination (94.25 %), vigour index (1030), shoot length (8.50 cm) and root length (4.8 cm) compared to control. The treatment BS16+FS recorded highest defence enzymes, peroxidise (1.04 change in absorbance at 470 nm/min/mg protein), polyphenol oxidise (0.79 change in absorbance at 420 nm/min/mg protein) and Phenylalanine ammonia lyase (nmol trans-cinamic acid/hr/mg protein) activity on the 7th day after challenge inoculation, thereafter the activity declined by 9th day compared to control. B. subtilis is one of the potential isolate which induces the systemic resistance in chilli against the Fusarium wilt.

Keywords: subtilis, Vigour index, Peroxidise, Polyphenol oxidise, Phenylalanine Ammonia Lyase and PGPR

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How to cite this article:

Rajkumar, K., M.K. Naik, Y.S. Amaresh and Chennappa, G.  2018. Induction of Systemic Resistance by Bacillus subtilis isolates against Fusarium wilt of chilli.Int.J.Curr.Microbiol.App.Sci. 7(7): 2669-2680. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.