National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
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.
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