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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(4): 309-320
DOI: https://doi.org/10.20546/ijcmas.2020.904.037


Management of Sheath Rot and Grain Discolouration of Rice (Oryzae sativa L.)
Jayasekhar1* and K. Kavitha2
1Agricultural Research Station, 2Krishi Vigyan Kendra, Tamil Nadu Agricultural University, Thirupathisaram, Tamil Nadu, India, India
*Corresponding author
Abstract:

Field trials were conducted during 2015-19 by planting commercially grown rice cultivar TPS5 and TPS3 varieties during Kharif season (June–Sept) and Rabi season (Oct – Feb) respectively to investigate the management strategy for sheath rot and grain discolouration by using bio control agent, plant products and fungicides. Seed treatment with P. fluorescens (Pf1) @ 10g/kg + two foliar spray with Azoxystrobin 23SC (0.1%)  performed better with lowest per cent incidence of sheath rot 9.09 and grain discoloration 8.46 in TPS5 rice variety during Kharif season and sheath rot 10.73 and grain discoloration 9.53 in TPS3 rice variety during Rabi seasons of 2016 to 2019 respectively. This treatment also recorded highest yield of 5252 Kg/ha in TPS5 and 5286 Kg/ha in TPS3 with a cost benefit (C:B) ratio of 1:2.02. This was followed by seed treatment with P. fluorescens (Pf1) @ 10g/kg + two foliar spray with liquid formulation of P. fluorescens (Pf1) @ 5ml /lit and has recorded comparatively better C:B ratio of 1:1.81.


Keywords: Rice, Sheath rot, Grain discolouration, Management
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How to cite this article:

Jayasekhar, M. and Kavitha, K. 2020. Management of Sheath Rot and Grain Discolouration of Rice (Oryzae sativa L.).Int.J.Curr.Microbiol.App.Sci. 9(4): 309-320. doi: https://doi.org/10.20546/ijcmas.2020.904.037