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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 7, Issue:4, April, 2018
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38
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Int.J.Curr.Microbiol.App.Sci.2018.7(4): 3472-3477
DOI: https://doi.org/10.20546/ijcmas.2018.704.393


Management of Brown Spot of Rice (Oryza sativa L.) Caused by Bipolaris oryzae by Bio-Control Agents
Vishal Gupta, Naveed Shamas, V.K. Razdan, Seethiya Mahajan, Kausar Fatima, Satish Sharm and P.K. Rai
Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Chatha 180 009, Jammu & Kashmir, India
*Corresponding author
Abstract:

Under laboratory conditions using dual culture techniques, bio-control agents (Trichoderma viride, T. harzianum, Pseudomonas fluorescens and Bacillus subtilis) were tested against Bipolaris oryzae the causal organism of brown spot of rice. Maximum inhibition (65.33 %) of mycelial growth of B. oryzae was caused by T. harzianum, followed by T. viride (57.76%) and P. flourescens (32.68%). Under field conditions three rice varieties, Basmati-370, Jaya and PC-19, were used to test the bio-control agents, T. viride, T. harzianum and P. fluorescens each at 1×109 cfu/ml concentration. The foliar application of T. harzianum exhibited maximum disease reduction (64.00%) and also resulted in increased yield in PC-19 (8.00%) as compare to their respective control.


Keywords: Brown spot, Biopolaris oryzae, Bio-control agents, Management, Severity

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How to cite this article:

Vishal Gupta, Naveed Shamas, V.K. Razdan, Seethiya Mahajan, Kausar Fatima, Satish Sharm and Rai, P.K. 2018. Management of Brown Spot of Rice (Oryza sativa L.) Caused by Bipolaris oryzae by Bio-Control Agents.Int.J.Curr.Microbiol.App.Sci. 7(4): 3472-3477. doi: https://doi.org/10.20546/ijcmas.2018.704.393
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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