International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 5
First page : (753) Last page : (764)
Article doi: http://dx.doi.org/10.18782/2320-7051.2743
Combining Ability Analysis for Yield, Yield Related Traits and Chlorophyll Content over Environments in Boro Rice
Kumari Priyanka* and H. K. Jaiswal
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences,
Banaras Hindu University, Varanasi – 221 005, Uttar Pradesh, India
*Corresponding Author E-mail: kpriyanka.choudhary@gmail.com
Received: 23.03.2017 | Revised: 30.04.2017 | Accepted: 7.05.2017
ABSTRACT
Combining ability of yield, yield related traits and chlorophyll content in Boro rice were studied employing diallel approach with 9 parents and their 36 crosses over three seasons i.e. Boro-2014, Kharif-2015 and Boro-2015. Data were recorded on days to 50% flowering, days to maturity, plant height, effective tillers/plant, panicle length, flag leaf length, flag leaf width, grains/panicle, 100 seed weight, yield/plant and chlorophyll content. Combining ability analysis revealed significant differences among GCA effects of the parents and SCA effects of the crosses for all the yield traits and chlorophyll content over the seasons. SCA effects were significant (both positive and negative) for majority of crosses for most of the traits which exhibited the importance of non-additive type of gene action. Krishna Hamsa was found to be good general combiner for yield per plant over both Boro and Kharif seasons. The crosses with good x good GCA parents could be improved through selection and pedigree method of breeding and crosses with poor x poor GCA parents could be improved through heterosis breeding.
Key words: Boro rice, Chlorophyll content, GCA, SCA, Yield.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Priyanka, K. and Jaiswal, H.K., Combining Ability Analysis for Yield, Yield Related Traits and Chlorophyll Content over Environments in Boro Rice, Int. J. Pure App. Biosci.5(5): 753-764 (2017). doi: http://dx.doi.org/10.18782/2320-7051.2743
