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International Journal of Applied Agricultural & Horticultural Sciences
  • 28 March, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 8 (3) : May-June 2017 issue
Green Farming Vol. 8 (3) : 547-551 ; May-June, 2017
Genetic variability, correlation coefficient and path analysis for yield and yield attributing characters in soybean (Glycine max L. Merrill)
K.K. CHANDELa1*, N.B. PATELb2, L.K. SHARMAb3 and SURESH GALIa4
aDepartment of Genetics and Plant Breeding, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar - 385 506, Dist. - Banaskantha (Gujarat)
bDepartment of Genetics and Plant Breeding, Junagadh Agricultural University, Junagadh - 362 001 (Gujarat)
Designation :  
1,4Research Scholar *(chandelkamleshkumar95@gmail.com), 2,3Assistant Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-6205
Total Pages : 5
Received : 22 November 2016
Revised accepted : 11 March 2017
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Citation :

K.K. CHANDEL, N.B. PATEL, L.K. SHARMA and SURESH GALI. 2017. Genetic variability, correlation coefficient and path analysis for yield and yield attributing characters in soybean (Glycine max L. Merrill). Green Farming Vol. 8 (3) : 547-551 ; May-June, 2017

ABSTRACT
Estimation of variability, heritability, genetic advance, correlation and path analysis were carried out for fifteen characters in seventy diverse genotypes of soybean. Analysis of variance revealed that mean squares due to genotype were found significant for all the traits under study except oil content, indicated that enormous phenotypic variability was present among the genetic materials studied. The highest genotypic and phenotypic coefficient of variances were observed for pods per plant, primary branches per plant and clusters per plant and it was lowest for oil content and days to maturity. High heritability, genetic advance and genetic advance as per cent mean were observed for pods per plant as well as plant height. Seed yield per plant was positively and significantly correlated with clusters per plant, biological yield per plant, pods per plant and harvest index. Biological yield per plant recorded highest positive direct effect on seed yield per plant followed by harvest index, days to flowering. The studies suggest that for improvement in high yielding genotypes of soybean make selection for biological yield per plant, pods per plant, primary branches per plant and clusters per plant.
Key words :
Correlation coefficient, Genetic variability, GCV, Heritability, PCV, Path analysis, Soybean.