No abstract

The breeding values of six linseed genotypes viz; LS-1, Chandni, LS-53, LS-62, LS-13 and P-250 were determined in a half diallel experiment using combining ability analysis for seed yield arid five components of seed yield. Significant General Combining Ability (GCA) effects and Specific Combining Ability (SCA) effects were noted for all traits. LS-53, Chandni and IS-1 displayed positive GCA effects for seed yield per plant. LS-53 and Chandni also showed desirable GCA effect for number of branches per plant and number of capsules per plant.

Correlations in twenty genotypes of linseed (Linum usitatissimurn L.) were used for factor analysis, based on seed yield and five yield contributing traits, through the principal component method. The seed yield was positively associated with other traits, however, significantly only with number of seeds per pod and number of pods per plant. Three factors accounted for 94 percent of the variation. Factor-I included number of branches per plant; Factor-II, number of seeds per pod and Factor-Ill, 1000 seed weight and plant height. Thus, traits related with seed yield were affected by different factors. Number of seeds per pod in Factor-II appeared to be the most important yield component. Direct improvement in this character would improve seed yield potential without affecting other plant characters.