Study of Phenotypic and Genotypic Variance and Coefficient of Variance, Heritability, Phenotypic and Genotypic Correlation Coefficient Among Different Character’s in Tuberose

The investigation was carried out at the Vegetable research farm, Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh from May 2018 to March 2019 with twenty cultivars of tuberose. The experiment was carried out by using Randomised Block Design with three replications. Every individual plant is selected from each treatment and average was calculated for statistical computation. Phenotypic and genotypic variance and coefficient of variation were estimated. Heritability in broad sense was estimated as a ratio of genetic variance to phenotypic variance. Correlation coefficient was estimated to know the degree and direction of association between the variables. Both genotypic correlation coefficient and phenotypic correlation coefficient were estimated from the variance and covariance components.