GENE ACTION AND FERTILITY RESTORATION BEHAVIOUR OF THE TROPICAL JAPONICA/INDICA, JAPONICA/INDICA AND INDICA DERIVED RESTORERS’ CROSSES USING CMS BREEDING SYSTEM IN RICE (Oryza sativa L.)

S.C. GHOSH¹*, T. DASGUPTA², D. SHARMA³, P.K. CHANDRAKAR⁴, N.K. RASTOGI⁵, A.K. SARAWGI⁶, S. KANDAGRAMI^7
1IRDM Faculty Centre, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata, 700103, West Bengal, India
²IRDM Faculty Centre, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata, 700103, West Bengal, India
³Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 942 012, Chhattisgarh, India
⁴Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 942 012, Chhattisgarh, India
⁵Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 942 012, Chhattisgarh, India
⁶Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 942 012, Chhattisgarh, India
⁷Department of Genetics and Plant Breeding, Institute of Agricultural Sciences (IAS), University of Calcutta, Kolkata 19, West Bengal, India
* Corresponding Author : shyamghoshgpb@gmail.com

Received : 16-07-2018     Accepted : 27-08-2018     Published : 30-09-2018
Volume : 10     Issue : 9       Pages : 485 - 489
Genetics 10.9 (2018):485-489

Keywords : Rice (Oryza sativa L.), Genetic behaviour, Gene action, Fertility restoration
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur, Kolkata, 700103, West Bengal, India
Author Contribution : All author equally contributed

To study the gene action and fertility restoration behavior of tropical japonica/indica and indica derived advanced breeding lines, seven testers comprised of new plant type i.e., NPT 2-2-694-1, NPT 9, NPT 80-1 and elite testers i.e., ET 1-12, ET 1-13, TOX 981-11-2-3 and R 1244-1246-1-605-1 along with three CMS lines i.e., APMS 6 A, CRMS 31 A and IR 79156 A and their generated 21 F1 crosses were evaluated for yield and yield attributing traits in a randomized complete block design during (RCBD) wet season 2010. The phenotypic quantitative recorded data was undertaken as per L x T analysis. Under the genetic analysis found all the traits was registered the preponderance of positive non-additive gene action whereas, negative for flag leaf length. All the seven testers exhibited either minor or additive cytoplasmic gene action which influenced the fertility restoration behavior of different combinations of the same pollen parent. The probability of the potential restorer combination (47.76%) was more followed by partial restorers (28.57%), potential maintainers (19.04%) and partial maintainer (4%). Probability of high x high allelic reaction was more in potential restorer combinations (70.00%) followed by partial restorers (16.67%), potential maintainers (0%) and partial maintainer (0.0%). The additive x additive reaction was found for the fertility restoration in 70% restorer combination.

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