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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(10): 1357-1370
DOI: https://doi.org/10.20546/ijcmas.2018.710.151


Combining Ability Studies for Yield, its Component Traits and Fibre Properties through Line X Tester Mating Design in Upland Cotton (Gossypium hirsutum L.)
H.B. Kumbhalkar1, V.L. Gawande2, Vinita Gotmare3 and T.H. Rathod4
1Department of Agricultural Botany, Post Graduate Institute, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola-444104, Maharashtra, India
2Agriculture Botany Section, College of Agriculture, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola-444104, Maharashtra, India
3Division of Crop Improvement, ICAR-Central Institute for Cotton Research, Nagpur, India
4Cotton Research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola-444104, Maharashtra, India
*Corresponding author
Abstract:

The experiment was undertaken to assess the magnitude of combining ability for yield, its components and fibre properties in upland cotton. The experimental material i.e. 52 genotypes (15 parents, 36 crosses and 1 check) produced from line x tester mating design were evaluated for fifteen characters in randomized block design with three replications across 3 environments at viz., Cotton Research Unit, Dr. PDKV, Akola, Regional Research Centre, Amravati and ICAR-Central Institute for Cotton Research, Nagpur during kharif, 2017-18. Analysis of variance revealed that there was presence of substantial genetic variability for all the studied characters at all 3 environments. The pooled analysis, showed highly significant differences for all the characters indicating the validity of conduct of experiment in these environments. Further, there was significant G x E interaction for all the traits studied. The parents viz., DHY 286, AKH 9916 and AKH 10-5 were the best general combiners over 3 environments for seed cotton yield and its components. Among the hybrids, AKH 081 x AKH 09-5, AKH 8828 x AKH 2006-2, AKH 8828 x AKH 9916 were the best combinations based on higher and significant sca effects with highest standard heterosis and per se performance over the environments. These hybrids were also found promising for other yield contributing and fibre quality traits, hence, can be exploited for heterosis breeding. Whereas, the hybrid, AKH 8828 x DHY 286 may be exploited for development of varieties through transgressive segregation due to its non-significant sca and involving parents with high gca.


Keywords: Combining ability, line x tester, G x E, Seed cotton yield, gca and sca effects
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How to cite this article:

Kumbhalkar, H.B., V.L. Gawande, Vinita Gotmare and Rathod, T.H. 2018. Combining Ability Studies for Yield, its Component Traits and Fibre Properties through Line X Tester Mating Design in Upland Cotton (Gossypium hirsutum L.).Int.J.Curr.Microbiol.App.Sci. 7(10): 1357-1370. doi: https://doi.org/10.20546/ijcmas.2018.710.151