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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - 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.2017.6(10): 3562-3573
DOI: https://doi.org/10.20546/ijcmas.2017.610.420


Study of Combining Ability and Nature of Gene Action for Yield and Its Contributing Traits in Bread Wheat (Triticum aestivum L. em Thell)
Tabassum*, Anil Kumar and Birendra Prasad
Department of Genetics and Plant Breeding, College of Agriculture, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar, 263145, Uttarakhand, India
*Corresponding author
Abstract:

Combining ability analysis for grain yield and its components, and nature of gene action in bread wheat were investigated using twelve lines and three testers, and thus 36 crosses produced in line x tester mating design which were evaluated in randomized block design with three replications. Study on gene action revealed the preponderance of additive gene action for plant height, peduncle length and number of spikelets per spike. On the basis of GCA effects, the parents DBW 88, WH 1126, UP 2425, UP 2696 and UP 2845 were identified as good general combiners revealing their ability in transmitting additive genes in desirable direction to their progenies. Hybrid WH 1139 × HD 3059 was found to be the best specific cross combination for grain yield and biological yield. However, the best specific cross combinations for other contributing traits were UP 2554 × HD 3059 for days to 75% heading and days to maturity, DBW 88 × WH 1105 for number of tillers per plant, DBW 88 × HD 3059 for plant height, HD 3123 × WH 1105 for number of grains per spike, UP 2554 × UP 2572 for grain weight per spike, UP 2554 × WH 1105 for 1000 grain weight and WH 1139 × UP 2672 for harvest index.


Keywords: Bread wheat, Line × tester cross, Combining ability, Gene interaction, Grain yield.
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How to cite this article:

Tabassum, Anil Kumar and Birendra Prasad. 2017. Study of Combining Ability and Nature of Gene Action for Yield and Its Contributing Traits in Bread Wheat (Triticum aestivum L. em Thell).Int.J.Curr.Microbiol.App.Sci. 6(10): 3562-3573. doi: https://doi.org/10.20546/ijcmas.2017.610.420