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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 10, Issue:1, January, 2021

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

Int.J.Curr.Microbiol.App.Sci.2021.10(1): 709-715
DOI: https://doi.org/10.20546/ijcmas.2021.1001.086


Study on genetic variability and heritability in rice landraces (Oryza sativa. L.) under sodicity
S. Manju1, T. Thirumurugan1*, A. Subramanian1, S. Nithila1,Sherene Jenita Rajammal2 and P. Jeyaprakash1
1Anbil Dharmalingam Agricultural College & Research Institute, Tamil Nadu Agricultural University, Trichy-620 027, India
2National Pulses Research Centre, Tamil Nadu Agricultural University,
Vamban-622 303, India
*Corresponding author
Abstract:

The study was conducted to identify salt tolerant rice landraces among 71 genotypes including 64 landraces and seven cultivars. Analysis of variance exhibited significant differences among the genotypes for all the traits under study. High PCV and GCV were recorded for the traits viz., number of productive tillers per plant, number of grains per panicle, Na+/K+ ratio, 1000 grain weight and grain yield per plant. High heritability coupled with high genetic advance were observed in the traits viz., days to 50% flowering, plant height, number of productive tillers per plant, number of grains per panicle, Na+/K+ ratio, 1000 grain weight and grain yield per plant. Poovan samba, Rajamannar, Katta samba and Sornakuruvai were identified as highest yielding among the landraces under sodicity. Hence, these landraces could be used as donors in development of salt tolerant lines in future breeding programme.


Keywords: Rice landraces, Genetic variability, Sodicity

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How to cite this article:

Manju, S., T. Thirumurugan, A. Subramanian, S. Nithila, T. Sherene Jenita Rajammal and Jeyaprakash, P. 2021. Study on genetic variability and heritability in rice landraces (Oryza sativa. L.) under sodicity.Int.J.Curr.Microbiol.App.Sci. 10(1): 709-715. doi: https://doi.org/10.20546/ijcmas.2021.1001.086
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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