GENETIC ANALYSIS OF SOME QUANTITATIVE TRAITS OF WINTER SOFT WHEAT VARIETIES DEVELOPED IN DIFFERENT YEARS

Abstract

The influence of genes on such traits as a plant height, a length of the two top internodes and an ear length was studied. The hybrids F1 received from incomplete diallel crossings of 9 winter soft wheat varieties developed in different years were used for the analysis. The wheat varieties used were 1.Cooperatorka (1929), 2.Besostaya (1959), 3.Odesskaya 26 (1965), 4. . Odesskaya 51 (1969), 5.Obriy (1983), 6.Albatros odessky (1990), 7.Victoria odesskaya (1997), 8.Khlebodarka 2 (1997), 9.Geleya (1999). The genetic analysis was made on Heyman 2 and Griffing 2 methods. The results of the analysis have shown that the plant height control and that of the length of the two top internodes are realised by the additive – dominant system and the ear length is controlled by the additive – dominant system of genes with the manifestation of incomplete domination to a high grown.