International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:11, November, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
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(11): 487-496

Screening of Red-kernelled Deep Water Rice Germplasm of Assam, India for Disease and Pest Resistance
N. K. Gogoi1*, D. Chowdhury1, P. Saikia1 and K. K. Sharma2
1Regional Agricultural Research Station,
2Department of Plant Breeding and Genetics, Assam Agricultural University, North Lakhimpur, Assam, India
*Corresponding author

Fifty nine (59) red-kernelled deep water rice (DWR) germplasm were screened under natural condition against major diseases and pests viz. sheath blight (ShB), sheath rot (ShR) and stem borer (SB) infestation at the Regional Agricultural Research Station (RARS), Assam Agricultural University, North Lakhimpur, Assam. None of the germplasm was free from the observed diseases and pest. Disease intensity of ShB ranged from 3.33% to 44.44% and the intensity of ShR ranged from 4.44% to 35.56%. The incidence of white ear heads due to SB infestation ranged from 2.22% to 52.21%. No germplasm was found to be resistant against ShB and ShR diseases. Four germplasm viz. Arg Bao, Buruli Bao, Kalburuni Bao and Pora Negheri Bao were found moderately resistant (MR) to ShB disease, while Arg Bao, Basudev Bao, Boga Amona Bao, Dal Bao, Garo Bao and Sarmora Bao showed MR reaction to ShR disease. Against SB infestation, thirteen numbers of germplasm showed resistant reaction. Among all the germplasm, five germplasm viz. Arg Bao, Basudev Bao, Dal Bao, Rayada B8 and Sarmora Bao showed MR reaction to both diseases and pest tested. These germplasm may be used as donors in resistant DWR breeding programmes against the tested pathogens and pest.

Keywords: Red-kernelled Deep Water Rice Germplasm, Pest Resistance

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How to cite this article:

Gogoi, N. K., D. Chowdhury, P. Saikia and Sharma, K. K. 2020. Screening of Red-kernelled Deep Water Rice Germplasm of Assam, India for Disease and Pest Resistance.Int.J.Curr.Microbiol.App.Sci. 9(11): 487-496. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.