Estimates of genetic parameters in common bean genotypes

Sixteen common bean genotypes, commercial varieties and advanced lines, were assessed at the Nucleus of Agrarian Sciences at the Federal University of Mato Grosso do Sul, Dourados campus, in the 'dryharvest 2000/2001. Genetic and phenotypic parameters in control of morpho-physiological traits and yield components were estimated. These parameters were estimated at plant level. Variance estimates between and within genotypes and at plot level were obtained in randomized complete block experiments. Three replicates of each genotype were available for the calculations. The populations under study had wide genetic variability for all the traits studied whereas the main stem length was the most promising trait for selection and days to maturity was the least promising. The plot level analysis showed greater precision than plant level analysis.