ISSN : 0975-2862
EISSN : 0975-9158
K.N. PRAJAPATI1*, K.B. KATHIRIA2
1Polytechnic in Agriculture, Khedbrahma, 383275, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar, 385506, Gujarat
2Director of Research and Dean P.G. Studies, Anand Agricultural University, Anand, 388110, Gujarat
* Corresponding Author : ketan.agrian@gmail.com
Received : 03-04-2018 Accepted : 07-04-2018 Published : 15-04-2018
Volume : 10 Issue : 3 Pages : 380 - 386
Genetics 10.3 (2018):380-386
DOI : http://dx.doi.org/10.9735/0975-2862.10.3.380-386
Keywords : Line x Tester, Heterosis, Grain yield and Rice
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to Anand Agricultural University, Anand, Gujarat, 388110
Author Contribution : All author equally contributed
The experiment was conducted with three CMS lines i.e., IR 68887 A, IR 79159 A and APMS 6 A which were crossed with eleven diverse male parents in line x tester fashion in order to assess the extent of Heterosis for grain yield and yield attributing traits in rice. The analysis of variances revealed considerable genetic differences among the genotype. The parent (effective tillers per plant and milling %.), hybrids (fifty per cent flowering, effective tillers per plant and hulling %) and parent vs Hybrids comparison were significant except panicle length, effective tillers per plant and grain length. A perusal of mean value revealed that the parent IR 04N 106 (15.42 g) was superior in respect for grain yield per plant, whereas among all the hybrids, IR 68887A X MILYANG 63(30.53), IR 68887A X IR 77186-148-3-4-3(24.26), IR 79159 A X IR 09A 104 (23.29), APMS 6 A X IR 04N 106 (22.80) and APMS 6 A X IR 07 A 166(21.29) recorded maximum grain yield per plant. The highest standard Heterosis for grain yield per plant was registered for the hybrid IR 68887 A x MILYANG 63 followed by IR 68887 A x IR 77186-148-3-4-3 and IR 79159 A x IR 09A 104.
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