STUDY ON GENERATION MEAN ANALYSIS FOR SEED YIELD AND ITS ASSOCIATED TRAITS IN LINSEED (Linum usitatissimum L.)

P.C. YADAV¹*, R.K. YADAV², S.D. DUBEY³, H.C. SINGH⁴, VISHWANATH⁵, YOGESH PANDEY⁶, SANJEEV KUMAR^7
1Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
²Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
³Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
⁴Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
⁵Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
⁶Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
⁷Department of Genetics and Plant Breeding, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh, India
* Corresponding Author : prem8250chandra@gmail.com

Received : 28-02-2018     Accepted : 07-03-2018     Published : 30-03-2018
Volume : 10     Issue : 3       Pages : 1027 - 1034
Int J Microbiol Res 10.3 (2018):1027-1034
DOI : http://dx.doi.org/10.9735/0975-5276.10.3.1027-1034

Keywords : generation mean, heterosis, inbreeding depression, heritability and genetic advance
Academic Editor : Maria Toader, Vekaria Deepkumar Manojbhai
Conflict of Interest : None declared
Acknowledgements/Funding : Author are thankful to Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208002, Uttar Pradesh
Author Contribution : All author equally contributed

In the present study, generation mean analysis 60 treatments (10P1, 10P2, 10 F1, 10 F2, 10 BC1 and 10 BC2) was chosen to study the nature and magnitude of gene effects for yield and yield attributing traits. analysis of variance was carried out for all the 10 characters. Highly significant difference was observed among treatments for all the characters except days to maturity and number of primary branches per plant. Such observations were also reported. Useful heterosis over better parent and mid parent the best crosses. viz., NPHY 29 X LCK 87312, NP 121 X RR 76 and NPRR 271 X No 3 for seed yield per plant were considered. Inbreeding depression in F2 generation was observed for all characters except number of secondary branches per plant, number of capsules per plant and seed yield per plant. Medium heritability was observed in characters like number of primary branches per plant. In F1 generation characters likes number of seeds per capsule exhibited high value of genetic advance.

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