The effect of selection for phenotypical characters on the chromosome constitution in spring triticale

The effect of selection for phenotypical characters on the chromosome constitution in spring... A set of spring triticale selection forms was studied with the use of microsatellite markers specific for D-genome chromosomes and genomic in situ hybridization. 2R/2D substitutions were found in six of twelve forms. Two lines displayed segregation for the substitution: plants with the substitution and without it, and plants heterozygous for the substitution were revealed. Segregation of the lines and the presence in them of telocentric chromosomes of wheat and rye in the monosomic state suggest that the process of formation is still in progress. The data obtained also demonstrate that triticale is under selection for the 2R/2D substitution as controlling the spectrum of adaptively and selectively valuable traits. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

The effect of selection for phenotypical characters on the chromosome constitution in spring triticale

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410030117
Publisher site
See Article on Publisher Site

Abstract

A set of spring triticale selection forms was studied with the use of microsatellite markers specific for D-genome chromosomes and genomic in situ hybridization. 2R/2D substitutions were found in six of twelve forms. Two lines displayed segregation for the substitution: plants with the substitution and without it, and plants heterozygous for the substitution were revealed. Segregation of the lines and the presence in them of telocentric chromosomes of wheat and rye in the monosomic state suggest that the process of formation is still in progress. The data obtained also demonstrate that triticale is under selection for the 2R/2D substitution as controlling the spectrum of adaptively and selectively valuable traits.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Mar 23, 2010

References

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