Combining ability, heterosis and inbreeding depression analysis for using CMS lines in long duration Pigeonpea

Saroj, S.K. and Singh, M.N. and Singh, T. (2014) Combining ability, heterosis and inbreeding depression analysis for using CMS lines in long duration Pigeonpea. International Journal of Research Studies in Biosciences (IJRSB), 2 (10). pp. 7-15.

[img] PDF - Published Version
Restricted to ICRISAT researchers only

Request a copy

Abstract

Evaluation of 26 F1 hybrids were involving two CMS lines and 13 restorers/testers in line × tester fashion, data recorded on ten agronomical characters. The four cross combinations viz., ICPA 2043 × Azad, ICPA 2043 × ICPR 4105, ICPA 2092 × ICPR 3760 and ICPA 2092 × MA 6, exhibited significantly high SCA effects for seed yield and the parents involved having high × high and low × low GCA effects. The four hybrids viz., ICPA 2043 × Asha, ICPA 2092 × Asha, ICPA 2043 × Azad and ICPA 2043 × ICPR 4105 showed good heterosis, MPH, BPH and EH, over commercial variety i.e. MAL 13 as well as inbreeding depression. Further, two hybrids (ICPA 2043 × Azad and ICPA 2043 × Asha) could manage to out yield the check, MAL 13, significantly with the margin of > 20 % and thus may be exploited for heterosis breeding in pigeonpea.

Item Type: Article
Uncontrolled Keywords: Combining ability, Heterosis, Inbreeding depression, Yield and yield traits, pigeonpea
Author Affiliation: Department of Genetics and Plant Breeding Institute of Agricultural Sciences
Subjects: Crop Improvement
Divisions: Pigeonpea
Depositing User: Mr T L Gautham
Date Deposited: 28 Mar 2016 06:11
Last Modified: 28 Mar 2016 06:11
URI: http://eprints.icrisat.ac.in/id/eprint/14232

Actions (login required)

View Item View Item