Authors: Alake, C. O., Ariyo, O. J. and Ayo- Vaughan, M. A.
Nigerian J. Genetics 25 (2011)
Abstract
A field study was conducted as a randomized complete block design (RCBD)-based experiment with three replications in the University of Agriculture, Abeokuta,
Teaching and Research Farm during the growing seasons of 2008 and 2009. The characters associated with pod yield in 25 genotypes of West African okra (Abelmoshus caillei) were analysed using techniques of correlation, regression and factor analysis. The multiple linear correlation (R) of 0.96 with a coefficient of determination of 0.92 was recorded. The regression analysis indicated that height at harvest, pod width, seed weight, pod length and number of leaves at flowering contributed substantially to the variation pod yield. Only height at harvest, pod width and pod length were positively and significantly correlated with pod yield while number of leaves at flowering was negatively and significantly correlated with pod yield. Factor analysis produced a similar result to those of plant character correlation and regression analysis. The first four factors accounted for 80.44% of the variation in the dependence structure.
Keywords: Correlation, Factor analysis, Regression, West African Okra breeding