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Identification of allelic state of leaf rust-resistance Lr34 gene in the cultivars of soft winter wheat of ukrainian breeding

Karelov A.V., Pirko Ya.V., Kozub N.A., Sozinov I.A., Pirko N.N., Litvinenko N.A., Lyfenko S.F., Koliuchiy V.T., Blume Ya.B., Sozinov A.A.

 


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The distribution of alleles at the Lr34 locus associated with leaf rust resistance among winter common wheat (Triticum aestivum L.) cultivars of Ukrainian breeding was studied. Co-dominant molecular-genetic marker cssfr5 was used for detection of the allelic condition of the Lr34 locus. The cultivars with detected allele Lr34(+) were identified as potentially «resistant» and the cultivars in which detected allele Lr34(–) were identified as potentially «susceptible». The collection of the cultivars (81 ones), created in the main plant breeding centers of Ukraine was analyzed. The allele Lr34(+) was identified in 44 % cultivars. Results were compared with the data about the distribution of the Lr34(+) in cultivars created in different countries.

Key words: wheat, leaf rust (Puccinia triticina), leaf rust resistance, loci Lr34, polymerase chain reaction (PCR)

Tsitologiya i Genetika 2011, vol. 45, no. 5, pp. 3-10

E-mail: plant_prot ukr.net, hromogen-black ukr.n

Karelov A.V., Pirko Ya.V., Kozub N.A., Sozinov I.A., Pirko N.N., Litvinenko N.A., Lyfenko S.F., Koliuchiy V.T., Blume Ya.B., Sozinov A.A. Identification of allelic state of leaf rust-resistance Lr34 gene in the cultivars of soft winter wheat of ukrainian breeding, Tsitol Genet., 2011, vol. 45, no. 5, pp. 3-10.

In "Cytology and Genetics":
A. V. Karelov, Ya. V. Pirko, N. A. Kozub, I. A. Sozinov, N. N. Pirko, N. A. Litvinenko, S. F. Lyfenko, V. T. Koliuchii, Ya. B. Blume, A. A. Sozinov Identification of the allelic state of the Lr34 leaf rust resistance gene in soft winter wheat cultivars developed in Ukraine, Cytol Genet., 2011, vol. 45, no. 5, pp. 271-276
DOI: 10.3103/S0095452711050069

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