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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

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

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 2432-2439
DOI: https://doi.org/10.20546/ijcmas.2017.607.345


Exploring Relationship between Combining Ability and Stability in Maize
C. Anilkumar1*, H.C. Lohithaswa2, S. Ramesh1 and A. Mohan Rao1
1Department of Genetics and Plant Breeding, University of Agricultural Sciences,Bengaluru, Karnataka, India
2Department of Genetics and Plant Breeding, College of Agriculture, V.C. Farm,
Mandya, Karnataka, India
*Corresponding author
Abstract:

An investigation was carried out to explore relationship, if any between combining ability and stability of 27 maize inbred lines. To obtain the general combining ability effects 27 newly developed inbred lines were crossed with four testers in a line × tester mating design and the progenies along with parents were evaluated for three seasons namely summer-2014, rainy season-2014 and summer-2015. The data were recorded on seven quantitative traits (QTs). The general combining ability (GCA) effects of lines and testers for seven QTs were estimated. The data on seven QTs of the parents (lines and testers) across three seasons were used to estimate AMMI stability value (ASV) and stability index (SI). The correlation coefficients of GCA effects with the estimates of ASV, and SI of were estimated and tested for their significance using t- test. The correlation coefficients of GCA effects of lines and testers with estimates of ASV and SI scores for all QTs were non-significant. The results indicated lack of any relationship between gca effects of inbred lines and their stability estimates. It is possible that gca effects and stability of inbred lines could be under independent genetic control.


Keywords: Maize, combining ability, GCA, AMMI stability, ASV, SI.
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How to cite this article:

Anilkumar, C., H.C. Lohithaswa, S. Ramesh and Mohan Rao, A. 2017. Exploring Relationship between Combining Ability and Stability in Maize.Int.J.Curr.Microbiol.App.Sci. 6(7): 2432-2439. doi: https://doi.org/10.20546/ijcmas.2017.607.345