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): 4148-4160

Bio Efficacy of Biogenic Silver Nanoparticles against Rice Sheath Blight Causing Pathogen Rhizoctonia solani Kuhn
N. Chiranjeevi*, P. Anil Kumar, R. Sarada Jayalakshmi, K. V. Hari Prasad and T. N. V. K. V. Prasad
Department of Plant Pathology, S.V. Agricultural college, Tirupati and Nanotechnology Laboratory, Institute of Frontier Technology, RARS, Acharya N. G. Ranga Agricultural University, Tirupati-517502, Andhra Pradesh, India
*Corresponding author

Silver nano particles were synthesized using two potential isolates of Trichoderma, Psudomonas fluorescens and one isolate of pathogen Rhizoctonia solani cell free culture filtrates incubated at different days 0, 5, 10 and 15. The present investigation revealed that bionano preparations irrespective of the isolate source used, i.e., Trichoderma, P. fluorescens or R. solani were found better in decreasing the sheath blight incidence in vitro though variation existed in terms of quantum of disease reduction. Bionano preparation from nutrient broth alone was also found effective in decreasing sheath blight severity compared to bioagents used alone or PDB. When the sensitivity of rice leaves from cv. NLR 34449 was assessed by dipping the leaf segments in 100% concentration of bionano silver (prepared using 170ppm silver nitrate), rice leaves turned yellow from the third day of incubation in detached leaf method in vitro.

Keywords: Silver nano, Trichoderma, Rhizoctonia solani, Pseudomonas fluorescens

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How to cite this article:

Chiranjeevi N., P. Anil Kumar, R. Sarada Jayalakshmi, K. V. Hari Prasad and Prasad T. N. V. K. V. 2018. Bio Efficacy of Biogenic Silver Nanoparticles against Rice Sheath Blight Causing Pathogen Rhizoctonia solani Kuhn.Int.J.Curr.Microbiol.App.Sci. 7(7): 4148-4160. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.