Genetic analysis of seed yield and related traits in doubled haploids of Ethiopian mustard under North western Himalayas

Thirty three doubled haploids of Ethiopian mustard (Brassica carinata A. Braun) were evaluated alongwith mustard, for yield and related traits including flowering, plant growth, maturity, yield and harvesting traits at the experimental farm of Department of Crop Improvement, CSK HPKV, Palampur under two environments during Rabi, 2010–11. The analysis of variance revealed the presence of sufficient genetic variability for all characters except siliqua length and % oil content in Env. I. On the other hand in Env. II, the presence of sufficient genetic variability for most of the traits was observed. Pooled analysis over environments revealed the presence of g x e interactions for all characters except days to flower initiation and oil content. Based on mean performance, the genotype P-34 recorded the highest seed yield per plant (7.4 g) and other related characters like harvest index (25.0%) and also exhibited significantly earliness to days to 75% maturity in pooled over the environment (163.7 days) and appeared as an early maturing genotype.