International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 4
First page : (368) Last page : (372)
Article doi: http://dx.doi.org/10.18782/2320-7051.2947
Assessment of Genetic Variability Studies among the Backcross Populations in Rice [Oryza sativa (L.)]
Prabhu, S.M.1*, N. Meenakshi Ganesan 2, P. Jeyaprakash2, R. Selvakumar1 and
N.K. Prabhakaran2
1Rasi seeds (P) Ltd., Attur, Salem
2Tamilnadu Agricultural University, Coimbatore
*Corresponding Author E-mail: prabhu.sm@rasiseeds.com
Received: 4.05.2017 | Revised: 15.05.2017 | Accepted: 16.05.2017
ABSTRACT
An Experiment was carried out to estimate the variability parameters for yield and its important contributing characters in four BC1F2 backcrossing populations of rice cultures. The range of all the six characters in four crosses shows high variations. The genotypic (GCV) and phenotypic coefficient of variation (PCV) was high for grain yield per plant in all the four crosses and also in number of grains per panicle for the cross (BPT 5204 X JGL 1798) X BPT 5204 & (BPT 5204 X JGL 1798) X JGL 1798 and Number of productive tillers in (BPT 5204 X ADT 45) X ADT 45. High heritability coupled with moderate genetic advance was observed for number of productive tillers per plant and grain yield per plant for all the four crosses. Among the four different populations, (BPT 5204 X ADT 45) X ADT 45 recorded high mean yield coupled with earliness.
Key words: PCV, GCV. Heritability, Genetic advance, BC1F2.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Prabhu, S.M., Ganesan, N.M., Jeyaprakash, P., Selvakumar, R. and Prabhakaran, N.K., Assessment of Genetic Variability Studies among the Backcross Populations in Rice [Oryza sativa (L.)], Int. J. Pure App. Biosci.5(4): 368-372 (2017). doi: http://dx.doi.org/10.18782/2320-7051.2947
