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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

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.2020.9(4): 1512-1517
DOI: https://doi.org/10.20546/ijcmas.2020.904.178


Association Analysis for Yield Traits in Rainfed Rice (Oryza sativa L.)
Muthuramu* and T. Ragavan
Agricultural Research Station, Tamil Nadu Agricultural University,
 Paramakudi – 623707, India
*Corresponding author
Abstract:

Correlation and path analysis was carried out at Agricultural Research Station, Tamil Nadu Agricultural University, Paramakudi to study the association between eight yield related traits during Rabi 2019-20 in 37 rice genotypes under rainfed rice ecosystem. Days to 50% flowering, number of panicles per square metre, number of filled grains per panicle and straw yield expressed positive and significant correlation with grain yield.  The trait, plant height had positive and significant association with panicle length and number of filled grains per panicle suggesting that selection based on plant height is highly fruitful in developing high yielding genotypes in rainfed situation, as it will bring simultaneous improvement of these traits. The traits number of panicles per square metre, straw yield and harvest index expressed high direct effect and plant height and number of filled grains per panicle had moderate direct effect on grain yield. The traits days to 50% flowering, number of panicles per square metre and straw yield should be given more importance for enhancing grain yield under rainfed rice ecosystem.


Keywords: Oryza sativa, Rainfed, Correlation coefficient, Direct and indirect effect
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How to cite this article:

Muthuramu. S and Ragavan. T. 2020. Association Analysis for Yield Traits in Rainfed Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 9(4): 1512-1517. doi: https://doi.org/10.20546/ijcmas.2020.904.178