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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(1): 2956-2965
DOI: https://doi.org/10.20546/ijcmas.2019.801.314


Evaluation of a New Recombinant Inbred Line Mapping Population for Genetic Mapping in Groundnut (Arachis hypogaea L.)
M. Sukruth, K. Shirasawa and R.S. Bhat*
Department of Biotechnology, UAS, Dharwad, Karnataka (580 005), India
*Corresponding author
Abstract:

A new recombinant inbred line (RIL) population was developed from a late leaf spot (LLS) susceptible mutant (VL 1) and its secondary mutant (110) which was resistant to LLS. The RILs (114) were evaluated for yield, yield components, nutritional and oil quality traits, and response to LLS and rust diseases during the rainy season of 2015 to assess the suitability of the mapping population for mapping these traits. The RILs differed significantly for all the traits studied. Phenotypic coefficient of variation and genotypic coefficient of variation were moderate to high for pod yield, number of pods per plant, pod weight per plant, shelling percentage, test weight, protein, oleic to linoleic acid ratio, kernel yield, oil yield, and LLS and rust score at 70, 80 and 90 days after sowing (DAS). The RILs exhibited normal distribution for all the studied traits except for rust score at 80 and 90 DAS, and shelling percentage. VL 1 and 110 despite being the primary and secondary mutants, showed polymorphism in terms of SNP, CNV and transposable element insertion. Therefore, this RIL population could be of importance for mapping the agronomic and productivity traits.


Keywords: Groundnut, Recombinant inbred lines, Late leaf spot and rust diseases, Productivity traits, Variability, Parental polymorphism
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How to cite this article:

Sukruth, M., K. Shirasawa and Bhat, R.S. 2018. Evaluation of a New Recombinant Inbred Line Mapping Population for Genetic Mapping in Groundnut (Arachis hypogaea L.).Int.J.Curr.Microbiol.App.Sci. 8(1): 2956-2965. doi: https://doi.org/10.20546/ijcmas.2019.801.314