Jadhav, R.R. and Deshmukh, D.T. (2017) Heterosis and combining ability studies in Sorghum (Sorghum bicolor (L.) Moench) over the environments. International Journal of Current Microbiology and Applied Sciences, 6 (10). pp. 3058-3064.
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Abstract
An investigation was carried out across four environments to assess magnitude of heterosis and combining ability of 30 hybrids developed by crossing three females and ten male lines in line x tester fashion. Non-additive gene action played a major role in the inheritance of most of the traits (viz., days to 50 per cent flowering, days to maturity, plant height, number of primaries panicle-1, panicle weight, fodder yield plant-1, grain yield plant-1, leaf area index and harvest index) under study except panicle length, number of grains panicle-1 and 100 seed weight for which additive gene action was found to be important. Based on consistent performance over four environments, AKMS-30A, AKR- 504, Rb-342-2 and AKR-354 were found to be best general combiners for grain yield and yield related traits. Among the hybrids, AKMS-30A X Rb-324-3, AKMS-70A X AKR-354, AKMS-70A X Rb- 342-2 and AKMS-30A X Rb-301-4-1 were found to be good specific combiners with highest standard heterosis and per se performance for grain yield plant-1 over the environments.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Combining ability, Gene action, Heterosis, Line x Tester, Sorghum |
| Author Affiliation: | Department of Agricultural Botany, PGI, Dr. PDKV, Akola-444104, Maharashtra, India |
| Subjects: | Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Mr T L Gautham |
| Date Deposited: | 22 Mar 2018 04:00 |
| Last Modified: | 22 Mar 2018 04:00 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/15355 |
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