The GRIS3.5 information analytical system of wheat genetic resources was used to trace the possible ways of the transmission of fusarium head blight resistance from ancestors to progenies in extended pedigrees of 149 Russian and Ukrainian cultivaris of winter common wheat. Analysis of variance was performed for the coefficient of parentage computed between the cultivars under study and the putative sources of resistance and revealed that groups of resistant and susceptible cultivars differed in the distribution of contributions of the sources. In the resistant group, significant results were obtained for the contributions of Odesskaya 16, Hostianum 237, and Frontana. Pedigree analysis showed that fusarium head blight resistance was most commonly transmitted from Hostianum 237 through Odesskaya 16 and its derivatives. The landrace Khar’kovskaya probably served as a source of resistance in the case of Hostianum 237. In addition, the set of resistance sources included Kooperatorka, Hope, SanPastore, Triticum timopheevii Zhuk., and Secale cereale. Some well-known sources of fusarium head blight resistance varying in genetic determinants—Sumai 3, Wangshuibai, Wuhan 1, Nyubay (China), Nobeokabozukomugi, Shinchunaga (Japan), Arina (Switzerland), Fundulea-201R (Romania), and Renan (France)—have so far not being employed in breeding in Russia and provide an important reserve for breeding for resistance.
Russian Journal of Genetics – Springer Journals
Published: Aug 17, 2006
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