Correlation and path coefficient analysis of yield components in cocoa (Theobroma cacao L.)
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Date
2014-12
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Abstract
Phenotypic correlations and their direct and indirect effects were estimated with twenty traits of 151 cocoa trees using path
analysis. A high coefficient of phenotypic correlation was found between, tree girth, pod length, pod weight, pod volume, number
of beans per pod, wet bean weight per pod before and after fermentation, dry bean weight per pod, single wet bean weight, single
dry bean weight, number of pods per tree and polyphenol content exhibited highly significant positive correlation with the dry
bean yield per tree. However, path analysis revealed that jorquetting height, tree girth, number of fan branches, pod girth, pod
volume, pod wall thickness at furrows, wet bean per pod weight after fermentation, dry bean weight per pod, number of pods per
tree, shelling percentage, fat content and polyphenol exhibited significance at high level in positive direction.
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Keywords
Cocoa, correlation coefficient, dry bean, path analysis, yield
Citation
Journal of Plantation Crops, Vol.42 No.3 December 2014, p.358-363