Division of Genetics, Indian Agricultural Research Institute, New Delhi 110 012.
* Present address: Crop Improvement Division, VPKAS (ICAR), Almora 263 601.
Six generations (P1, P2, F1, F2, BC1 and BC2) of six crosses namely Pusa Basant/Bio 8 (3), Pusa Basant/81, Pusa Bahar/81, Pusa Bahar/Bio8(3), 113/Bio8(3) and 113/81 were evaluated for days to 50% flowering (DTF), days to 75% maturity (DTM), seed yield per plant (SYPP), thousand seed weight (TW) and oil content (OC) in a randomized block design under timely sown and late sown conditions. The data of six generations were subjected to scaling tests to detect epistasis and genetic parameters m, d, h, i, j and l were estimated. Additive effects were found to be more important in the inheritance of DTF, SYPP, TW and OC, additive x additive for DTF, DTM, SYPP and OC, dominance for DTM, SYPP and OC and dominance x dominance for DTF, DTM and TW.
Mustard, generation means, gene action, yield components, oil content
