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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 5
First page : (1249) Last page : (1254)
Article doi: : http://dx.doi.org/10.18782/2320-7102

Correlation and Path Coefficient Analysis for Some Yield and Related Traits in onion (Allium cepa L.)Genotypes

D. Rameez Basha* and L. Mukunda Lakshmi  

Department of Vegetable science, College of horticulture Anantharajupet 516105
*Corresponding Author E-mail: basharameez@gmail.com
Received: 4.08.2018  |  Revised: 6.09.2018   |  Accepted: 15.09.2018  

 ABSTRACT

Correlation coefficient and path coefficient were studied in onion involving 29 genotypes. The associations among growth and yield components and their direct and indirect influence on the bulb yield of onion were investigated. Correlation coefficient analysis revealed that total bulb yield had positive significant correlation with plant height, Neck thickness, Number of rings, polar and equatorial diameter of bulb, average bulb weight and bulb yield per plot. Path coefficient analysis revealed that  plant height, Neck thickness, Total sugars, polar and equatorial diameter of bulb, average bulb weight and bulb yield per plot exhibited positive direct effect on total bulb yield. In addition to this Number of leaves, Ascorbic acid, thrips and Reducing sugars showed negative direct effect on total bulb yield at phenotypic and genotypic levels and could be utilized as selection criteria in onion improvement programe for Rayalaseema zone.

Key words: Correlation, Path coefficient analysis; Onion.

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Basha, D.R. and Lakshmi, L.M, Correlation and Path Coefficient Analysis for Some Yield and Related Traits in Onion (Allium cepa L.) Genotypes, Int. J. Pure App. Biosci.6(5): 1249-1254 (2018). doi: http://dx.doi.org/10.18782/2320-7051.7102