Assessment of Genetic Variation for Seed Yield and Quality Attributing Characters in Indian Rapeseed and Mustard

During Rabi 2019-20 and 2020-21, a set of five yellow sarson, five toria and ten Indian mustard genotypes were used to analyse and estimate the genetic variability for seed quality and yield attributing traits. A wide range of variations among genotypes for seed quality and yield-related characters were observed. In the majority of the characters, environment and genotype-environment interaction variation was found significant. The highest GCV, PCV, and heritability coupled with high genetic advance were observed for the seed yield per hectare and germination index. Among the yellow sarson genotypes B9 (highest yielder), BNYS-1 and BNYS-2; among the toria lines TS-46 (highest yielder), Jeuti, TS-38 and TS-67 and among the Indian mustard genotypes JMM-TM2-36 (highest yielder), NRCHB-101, TM-2 and JMM-TM2-34 were found superior for the seed quality and yield attributing parameters. Genetic diversity based on seed quality traits showed five distinct clusters among the 20 rapeseed and Indian mustard genotypes.