Hereditability, correlative and regression coefficients of some quantitative characters in somaclonal Oriental tobacco progenies
2003
Dimanov, D. (Tobacco and Tobacco Products Institute, Plovdiv (Bulgaria))
The results from the study of somaclonal progenies of a tobacco hybrid combination in F3 were analyzed. As a result of genetic and somaclonal variation the progenies obtained differ in the characters studied. These differences are well pronounced and provide good possibilities for further selection of individual lines. Regardless of its type, the genetic variance is correctly expressed by the coefficient of heretability which are proved to be highly reliable. This is especially well manifested with respect to plant height.The genotypic correlations and regressions are positive and strongly manifested, but are not sufficiently reliable with respect to plant height: leaf number and plant height, whereas with respect to leaf number: leaf length they are 2nd rank reliabe.
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