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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 (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.2017.6(11): 112-116
DOI: https://doi.org/10.20546/ijcmas.2017.611.014


Studies on the Interaction between Varietal Resistance and Management Practices against Leaf Blast of Rice
Rini Pal1*, Dipankar Mandal2 and Bhima Sen Naik1
1All India Coordinated Rice Improvement Project, Regional Research and Technology  Transfer Station (R.R.T.T.S), O.U.A.T, Chiplima-768025, Sambalpur, Odisha, India
2R.R.T.T.S, O.U.A.T, Chiplima, Sambalpur, Odisha, India
*Corresponding author
Abstract:

Field experiment was conducted at All India Coordinated Rice Improvement Project (AICRIP), RRTTS, Chiplima during kharif season of 2014 and 2015 to find out the efficacy of disease management practices against leaf blast disease of rice and their interaction with regard to varietal resistance. The experiment was laid out in split plot design having three varieties in main plot and two management levels in sub plot. The result revealed that the disease pressure remained low in both moderately resistant and hybrid variety as compared to the susceptible variety in all the plots irrespective of management practices. In case of moderately resistant and hybrid variety, a single spray of tricyclazole @ 0.6 g/l was sufficient to minimize the disease below ETL level where as in case of susceptible variety, disease pressure was high and three spraying of tricyclazole @ 0.6 g/l were required to check the disease (7.33 % severity) as compared to control plots with 28.65 % disease severity. The present study ascertains the response of resistant as well as the hybrid variety to effective dose of nitrogen (2/3rd of the recommended dose applied in 3 splits), seed treatment (carbendazim @ 2g/kg seed), line transplanting, FYM application (10 t/ha) and a single fungicidal spray (tricyclazole @ 0.6 g/l) as an effort to manage the leaf blast disease in an integrated way.


Keywords: Rice, Leaf blast, Varietal resistance, Integrated management.
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How to cite this article:

Rini Pal, Dipankar Mandal and Bhima Sen Naik. 2017. Studies on the Interaction between Varietal Resistance and Management Practices against Leaf Blast of Rice.Int.J.Curr.Microbiol.App.Sci. 6(11): 112-116. doi: https://doi.org/10.20546/ijcmas.2017.611.014