National Academy of Agricultural Sciences (NAAS)
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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 2018: 95.39 NAAS RATING 2020: 5.38 |
A roving survey was conducted during Kharif 2017 and 2018 in five major rice growing ecosystems viz., Kabini and Kaveri, Hilly upland, Thungabhadra and Upper Krishna, Thunga and Bhadra and Coastal belts to know the incidence and severity of grain discolouration in Karnataka. Grain discolouration was recorded in all the samples collected from major rice growing ecosystems. The mean per cent grain discolouration and mean per cent disease index during Kharif 2017 was 12.87 and 12.04 and Kharif 2018 was 13.24 and 12.27 respectively. Both the years, the maximum percent incidence of disease 14.95 and 15.47 and per cent disease index 13.64 and 13.94 respectively was observed in Hilly upland followed by costal belt 14.33 and 15.00 and 13.04 and 13.67 respectively, whereas the least incidence 11.23 and 11.85 and severity 10.22 and11.03 was noticed in Thunga and Bhadra ecosystem.
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