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Legume Research - An International Journal
Year : 2010, Volume : 33, Issue : 3
First page : ( 211) Last page : ( 216)
Print ISSN : 0250-5371.

Studies on Characters Association and Path Analysis for Seed Yield and Its Components in Groundnut(Arachis Hypogaea L.)

Korat V.P., Pithia M.S., Savaliya J.J., Pansuriya A.G., Sodavadiya P.R.

Department of Agricultural Botany, Junagadh Agricultural University, Junagadh - 360 002, India.

Abstract

The estimate of genotypic correlation coefficients in general higher than their corresponding phenotypic correlations indicating strong inherent association among the traits. Yield contributing characters like biological yield per plant, 100-kernel weight and harvest index had positive and significant association with pod yield per plant at phenotypic level. Phenotypic interrelationship between days to maturity and pod yield per plant was found negative and significant. Genotypic correlations of above said yield components with pod yield were also strong and with similar sign. The genotypic and phenotypic path analysis revealed the highest positive direct effects of biological yield per plant and harvest index towards pod yield. Hundred-kernel weight contributed indirectly via biological yield per plant and harvest index. Based on correlation and path analysis, biological yield per plant, 100-kernel weight and harvest index were identified as the most important yield contributing characters.

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Keywords

Characters association, Path analysis, Groundnut.

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