International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 2
First page : (172) Last page : (177)
Article doi: http://dx.doi.org/10.18782/2320-7051.5057
Assessment of Combining Ability and Gene Action in Pearl Millet (Pennisetum glaucum (L.) R. Br.) Using Line X Tester Analysis
Thakare Santosh1, K. Sadhana2*, G. Anusha Reddy3 and Patil, H. T.4
1, 3, 4College of Agriculture, Dhule, Mahatma Phule Krishi Vidhyapith, Rahuri, 424004 M.S., India
2College of Horticulture, Vellanikkara, Kerala Agricultural University, Thrissur, Kerala, 680654
*Corresponding Author E-mail: sadhana.kapoor27@gmail.com
Received: 26.06.2017 | Revised: 29.07.2017 | Accepted: 4.08.2017
ABSTRACT
A line x tester analysis using four lines and twelve testers was carried out to study the combining ability and gene action for grainyield and other morpho-nutritional traits in pearl millet. Analysis of variance for combining ability revealed that significant differencesamong the mean squares was observed for lines, testers and lines x testers for all the characters except for mean squares due tolines for days to 50 % flowering, days to maturity, ear head girth, number of grain per sq.cm, grain Zn content (mg/kg)and due to testers for grain Fe content (mg/kg). Among the lines, DHLB-18A and the testers K-13/991, K-13/999 and K-13/1005 displayed high GCA effect for grain yield per plant andfor some desirable traits. Significant and positive SCA effect for grain yield per plant was displayed by the cross DHLB-17A x K-13/1005 (average x good), followed by DHLB-16A x K-13/1008, DHLB-15A x K-13/1017, and DHLB-15A x K-13/995. These crosses involved either average x average, good x poor, poor x poor or good x average general combining parents. These crosses have been identified as best hybrids for improving grain yield per plant and could be furtherevaluated to confirm their stable superior performance.
Key words: Pearl millet, Combining ability, Gene action, Line x tester analysis
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Santosh, T., Sadhana, K., Reddy, G.A. and Patil, H.T., Assessment of Combining Ability and Gene Action in Pearl Millet (Pennisetum Glaucum (L.) R. Br.) Using Line X Tester Analysis, Int. J. Pure App. Biosci.6(2): 172-177 (2018). doi: http://dx.doi.org/10.18782/2320-7051.5057
