Sixty germplasm of Indian mustard were undertaken to determine relationships among yield and some yield components using direct selection parameters like variability, heritability, and genetic advance for eleven yield and its contributing characters. Analysis of variance for the design of the experiment indicated highly significant differences for all the characters. High phenotypic coefficient of variation (PCV) was recorded for seed yield plant-1
, secondary branches plant-1
, 1000-seed weight, primary branches plant-1
and length of main raceme and genotypic coefficient of variation (GCV) was highest for seed yield plant-1
followed by secondary branches plant-1
, 1000-seed weight, length of main raceme and plant height. The magnitudes of PCV and GCV were high for seed yield plant-1
, 1000-seed weight, secondary branches plant-1
and length of main raceme. High heritability estimates were observed for days to 50% flowering, days to maturity, plant height, oil content, 1000-seed weight and yield plant-1
. The expected genetic advance as percent of mean was high for seed yield per plant, 1000-seed weight, secondary branches plant-1
, plant height and length of main raceme. The high heritability coupled with high genetic advance for 1000-seed weight, plant height, seed yield plant-1
and length of main raceme would be helpful for indirect selection in improvement of seed yield.
Sudheer Singh, Ajeet Kumar Dwivedi, Ashutosh, Omesh Meena and Kamlesh Kumar. Genotypic variability, heritability and genetic advance in Indian mustard [Brassica juncea (L.) Czern & Coss.] Genotypes. J Pharmacogn Phytochem 2018;7(3):350-352.