Linseed varieties with increased yield and omega content are an important strategy to alleviate omega malnutrition. The choice of selection of breeding methods for genetic improvement of any crops is mainly dependent on the knowledge of type and relative amount of genetic component and the presence of epistatic interaction for different traits in the plant materials under investigations. Information on the type of gene action involved in the inheritance of a character is helpful in deciding the breeding procedures to be followed for crop improvement. The study was under taken to know the nature of gene action governing the characters under study. Generation mean analysis is one of the biometrical techniques that provide not only a valid estimate of gene effects (additive, dominance) but also an unambiguous test for presence or absence of epistasis that can help the breeders to decide the breeding programmes that suit for the improvement of traits being analyzed. In majority of the yiel

Generation means, linseed, gene action, epistasis, variance.

Dominance genetic variance noticed the major part of the genetic variance for the important yield components. The use of intermating of selects followed by visual selection in early segregating generations that would simultaneously exploit the gene effects has been suggested. Further, this approach is likely to break some undesirable linkages resulting in the establishment of rare and useful recombinants. The traits which have shown the additive and/or additive x additive can be improved by simple mass selection. If the more predominance of dominance x dominance gene effects exhibited by traits then, delay the selection in early segregating populations and it can also be exploited through heterosis breeding.

Rajanna, B., Ajith Kumar K., Shiva Kumar K., Ananda N. and Singh, P.K. (2021). Six Generation Mean Analysis for yield and its Attributing Characters in Flax (Linum usitatissimum L.). Biological Forum – An International Journal, 13(2): 576-580.