Fajt V. I., Pogrebniuk O. O., Stel'mah A. F.
Pages: 41-47.

Full article: 

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Abstract

The purpose. To identify recombinant-and-inbred lines of combination of crossing Orenburgskaya 48//Cappelle Desprez/2B Chinese Spring and to assess effects of alleles of gene Vrd2 on some economically valuable attributes. Methods. Temporal vernalization, genetic research, biological statistics. Results. Genotypes are identified of parent ingredients and recombinant-and-inbred lines of wheat Orenburgskaya 48//Cappelle Desprez/2B Chinese Spring for allelic state of gene Vrd2. Cappelle Desprez/2B Chinese Spring and 43 lines are the carrying agents of dominant allele of gene Vrd2, while grade Orenburgskaya 48 and 18 lines – of recessive vrd2. Effect of alleles of gene Vrd2 on separate economically valuable attributes is evaluated. Conclusions. In comparison with lines-carriers of recessive allele vrd2, presence of dominant allele Vrd2 results into decrease of winter- and frost resistance, cutting time to heading increase of weight of grains for an ear and grain yield.

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Key words: wheat, alleles of gene Vrd2, vernalization, genotype, heading, yield, recombinant-and-inbred lines.

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