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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
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(8): 3299-3304
DOI: https://doi.org/10.20546/ijcmas.2018.708.352


Impact of LOD Score and Recombination Frequencies on the Microsatellite Marker Based Linkage Map for Drought Tolerance in Kharif Rice of Assam
Jyoti Prakash Sahoo1* and Vinay Sharma2
1Department of Agricultural Biotechnology, OUAT, Bhubaneswar, India
2Department of Agricultural Biotechnology, AAU, Jorhat, India
*Corresponding author
Abstract:

Intermittent drought stress in rainfed ecosystem significantly limits the production of Ranjit, the most predominant high yielding rice variety of North East India. In order to understand the genetic basis of drought tolerance a mapping population comprising 85 F4 individuals between ‘Ranjit’ and a drought tolerant cultivar, ARC10372 was developed and genotyped with 80 microsatellite markers. 7 possible linkage groups were analysed by changing the LOD values and the recombination frequencies in the Join map 4.0 software package. Only 3 linkage groups were considered out of the 7 linkage groups as the map was calculated at LOD threshold 3.0 and above. It could be concluded that, higher critical LOD values will result in more number of fragmented linkage groups, each with smaller number of markers while small LOD values will tend to create few linkage groups with large number of markers per group.


Keywords: Drought, Join Map 4.0, LOD Score, Mapping Population, SCL Values, SSR
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How to cite this article:

Jyoti Prakash Sahoo and Vinay Sharma. 2018. Impact of LOD Score and Recombination Frequencies on the Microsatellite Marker Based Linkage Map for Drought Tolerance in Kharif Rice of Assam.Int.J.Curr.Microbiol.App.Sci. 7(8): 3299-3304. doi: https://doi.org/10.20546/ijcmas.2018.708.352