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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): 2684-2691
DOI: https://doi.org/10.20546/ijcmas.2018.708.279


Combining Ability and Gene Action Studies for Grain Yield and Yield Contributing Traits in Wheat (Triticum aestivum L.)
N.P. Ingle*, P.B. Wadikar and P.M. Salunke
Department of Agricultural Botany, College of Agriculture, Latur,Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431 402 (M.S.), India
*Corresponding author
Abstract:

Combining ability and gene action for yield and yield contributing traits was studied in 13 parental genotypes (5 lines, 8 testers) in a line x tester scheme during rabi, 2017-18. The purpose of the study was to identify and select superior parents and best hybrid combinations on the basis of estimates of general and specific combining abilities. The differences among genotypes were highly significant for all the characters studied. Estimates of variance due to general combining ability (GCA) and specific combining ability (SCA) and their ratio revealed that preponderance of non-additive gene action for different characters studied. The estimates of gca effects as a whole suggested that if most of the traits are to be improved through hybridization and selection, then priority should be given to parents NIAW-1994 from among the lines and Among male parents, CG-1021, PBN-4357 and UAS-379 were found to be good general combiners for seeds yield per plant, there by classifying these parents as good sources of favorable genes for increasing production of seed yield per plant. The estimates of specific combining ability effects revealed that highest SCA effect for grain yield per plant was exhibited by crosses, HD-2932 x UAS-379 followed by HD-2932 x PBN-4357 and NIAW-1994 x CG-1021.


Keywords: Wheat, Combining ability, line x tester
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How to cite this article:

Ingle, N.P., P.B. Wadikar and Salunke, P.M. 2018. Combining Ability and Gene Action Studies for Grain Yield and Yield Contributing Traits in Wheat (Triticum aestivum L.).Int.J.Curr.Microbiol.App.Sci. 7(8): 2684-2691. doi: https://doi.org/10.20546/ijcmas.2018.708.279