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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 2794-2804
DOI: https://doi.org/10.20546/ijcmas.2019.806.337


Epidemiological Study of False Smut of Rice (Oryza sativa L.) in Gujarat
Ankit Kantibhai Chaudhari*, Kalubhai Balubhai Rakholiya and Tushar Tersingbhai Baria
Department of Plant Pathology, N. M. College of Agriculture, Navsari Agricultural University, Navsari-396 450 (Gujarat), India
*Corresponding author
Abstract:

Rice false smut [Ustilaginoidea virens (Cooke) Takahashi] is an upcoming major disease in India. The initiation of the disease was recorded the 88th day after sowing and 9th September in 2017 and 86th day after sowing and 14th September in 2018. The incidence of false smut starts from 1.55 per cent at 36 MSW and reached to 7.22 per cent at 42 MSW in 2017 while, 0.53 per cent at 37 MSW and reached to 6.68 per cent at 42 MSW in 2018.However, in pooled of two years, the first symptom of false smut was recorded on 36 MSW (0.77%) and reached to 42MSW (6.95%). Correlation coefficient study between weather parameters and disease incidence indicated that all the parameters jointly played an important role in the development of false smut disease. Moreover, maximum and average temperature, morning and average relative humidity, morning and average cloudy weather and sunshine hours were found to play important role in the disease development.Stepwise regression, R-value i.e., 0.89, 0.80 and 0.75 per cent and co-efficient of determination, R2-value i.e., 79.90, 64.70 and 56.90 per cent were found high during 2017, 2018 and pooled of two year, respectively. These high R-value was indicated strong association between disease incidences to weather parameters.


Keywords: Epidemiology, False smut, Rice, Correlation, Regression, Weather parameter
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How to cite this article:

Ankit Kantibhai Chaudhari, Kalubhai Balubhai Rakholiya and Tushar Tersingbhai Baria. 2019. Epidemiological Study of False Smut of Rice (Oryza sativa L.) in Gujarat.Int.J.Curr.Microbiol.App.Sci. 8(6): 2794-2804. doi: https://doi.org/10.20546/ijcmas.2019.806.337