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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 March, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 7 (6) : November-December 2016 issue
Green Farming Vol. 7 (6) : 1291-1295 ; November-December, 2016
Assessment of variability, correlation and path analysis for yield and yield related traits in sorghum genotypes
MAHENDRA KUMAR DUBEY1, PRADEEP KUMAR PANDEY2, PRADEEP KUMAR SHROTRIA3, PRIYAMVADA CHAUHAN4* and GEETA PANDEY5
Deptt. of Genetics and Plant Breeding, College of Agriculture, G.B. Pant University of Agriculture & Technology, Pantnagar - 263 145, Dist. U.S. Nagar (Uttarakhand)
Designation :  
1P.G. Student, 2Asstt. Professor, 3Professor, 4,6Ph.D. Scholar *(priyam09chauhan@gmail.com), 5Jr. Scientist
Subject : Crop Genetics and Plant Breeding
Paper No. : P-4799
Total Pages : 5
Received : 06 February 2016
Revised accepted : 19 October 2016
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Citation :

MAHENDRA KUMAR DUBEY, PRADEEP KUMAR PANDEY, PRADEEP KUMAR SHROTRIA, PRIYAMVADA CHAUHAN and GEETA PANDEY. 2016. Assessment of variability, correlation and path analysis for yield and yield related traits in sorghum genotypes. Green Farming Vol. 7 (6) : 1291-1295 ; November-December, 2016

ABSTRACT
An investigation was carried out involving thirty genotypes of fodder, grain, and dual purpose sorghum with the aim of study was to evaluate their variability, correlation of quantitative characters and to estimate the direct and indirect effect of various characters on grain yield. The analysis of variance revealed that there is highly significant difference among all genotypes for all the characters studied. Genotypic coefficient of variation was the major component of total variation however PCV was invariably higher than GCV for all the characters studied. Grain yield per panicle showed highest PCV followed by number of grains per panicle. Grain yield per panicle showed maximum GCV followed by number of grains per panicle and flag leaf area. Majority of the characters showed higher to moderate heritability. Characters like days to fifty percent flowering, days to maturity and panicle length, Grain yield per panicle, plant height, number of leaves per plant, number of grains per panicle showed higher heritability. Higher genetic advance was recorded for panicle length, flag leaf area and grain yield per panicle. The characters like flag leaf area, panicle length, number of grains per panicle, thousand grain weight showed highly significant positive correlation with grain yield per panicle. Path coefficient analysis revealed that flag leaf area, thousand grain weight, number of grains per panicle and number of leaves per plant, days to maturity, showed high positive direct effect on yield and can be used in selection for the improvement of sorghum breeding programme.
Key words :
Correlation, Genetic diversity, Path analysis, Sorghum genotypes, Yield attributes.