Variability and Frequency Distribution Studies in F2 Segregating Population of Rice with Phosphorous Starvation Tolerance Gene (OsPSTOL 1) Introgressed

V. Nirubana; C. Vanniarajan; N. Aananthi; S. Banumathy; S. Thiyageshwari; J. Ramalingam

doi:https://doi.org/10.20546/ijcmas.2019.809.303

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Original Research Articles Volume : 8, Issue:9, September, 2019

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Int.J.Curr.Microbiol.App.Sci.2019.8(9): 2620-2628

DOI: https://doi.org/10.20546/ijcmas.2019.809.303

Variability and Frequency Distribution Studies in F2 Segregating Population of Rice with Phosphorous Starvation Tolerance Gene (OsPSTOL 1) Introgressed

V. Nirubana¹, C. Vanniarajan^1*, N. Aananthi², S. Banumathy¹,S. Thiyageshwari³ and J. Ramalingam⁴

¹Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai, Tamil Nadu, India
²Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Killikulam, Tamil Nadu, India
³Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
⁴Department of Biotechnology, Agricultural College and Research Institute, Madurai, Tamil Nadu, India

^*Corresponding author

Abstract:

The F2 segregating generation of two crosses viz., Anna (R) 4 x IR 64 Pup 1 and Anna (R) 4 x Samba mahsuri Pup 1 were evaluated for variability parameters and frequency distribution. The results revealed that both the crosses exhibited high PCV and GCV for the traits viz., number of tillers per plant, number of productive tillers per plant, number of filled grains per panicle, shoot P content and single plant yield. The traits viz., plant height, number of tillers per plant, number of productive tillers per plant, number of filled grains per panicle, hundred grain weight, shoot P content, grain P content and single plant yield showed high heritability coupled with high genetic advance as per cent of mean indicating the presence of additive gene effect and selection for these traits may be effective. The trait panicle length and grain P content had negative skewness and selection may be effected to evolve high yielding phosphorous deficient tolerant variety in rice.

Keywords: Rice, F2, variability, phosphorous content, grain yield

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How to cite this article:

Nirubana, V., C. Vanniarajan, N. Aananthi, S. Banumathy, S. Thiyageshwari and Ramalingam, J. 2019. Variability and Frequency Distribution Studies in F2 Segregating Population of Rice with Phosphorous Starvation Tolerance Gene (OsPSTOL 1) Introgressed.Int.J.Curr.Microbiol.App.Sci. 8(9): 2620-2628. doi: https://doi.org/10.20546/ijcmas.2019.809.303

Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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Original Research Articles Volume : 8, Issue:9, September, 2019

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