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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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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(3): 2808-2818
DOI: https://doi.org/10.20546/ijcmas.2020.903.323


Genetic Variability, Correlation and Path Analysis for Yield and its Attributes in Long Duration Pigeonpea [Cajanus cajan(L.)] Genotypes
T. Alaka1, Ashutosh1*, A. Nishant Bhanu1, M. N. Singh1, Sunil Kumarand S. Swarnmala2
1Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221005, India
2Department of Botany, Institute of Science, Banaras Hindu University,Varanasi-221005, India
*Corresponding author
Abstract:

The present investigation was carried out to obtain the information in relation to genetic variability, heritability, genetic advance, correlation and path coefficient for 12 characters involving 50 genotypes of Pigeonpea [Cajanus cajan (L.) Mill sp.].The highest GCV was recorded for secondary branches plant-1(76.19) followed by yield plant-1(45.46). Heritability in broad sense ranged from 52.0% (days to maturity) to 100% (secondary branches plant-1). High genetic advance was observed for secondary branches (156.60), yield plant-1(92.02), biological yield (87.61) and pods plant-1 (85.57) indicating the prevalence of additive gene action for inheritance of these traits. Correlation studies revealed that seed yield was positively and significantly correlated with biological yield plant-1, pods plant-1 and plant height. Path coefficient analysis showcased the traits with direct and indirect effect analysis based on seed yield plant-1, as a dependent variable, showed that significant for biological yield, pods plant-1, plant height and secondary branches plant-1. Both correlation and path analysis indicated that pods plant-1 and biological yield were the major indirect contributors to seed yield.


Keywords: Genetic variability, heritability, genetic advance, correlation and path coefficient
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How to cite this article:

Alaka. T, Ashutosh, A. Nishant Bhanu, M. N. Singh, Sunil Kumar and Swarnmala. S. 2020. Genetic Variability, Correlation and Path Analysis for Yield and its Attributes in Long Duration Pigeonpea [Cajanus cajan(L.)] Genotypes.Int.J.Curr.Microbiol.App.Sci. 9(3): 2808-2818. doi: https://doi.org/10.20546/ijcmas.2020.903.323