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The association between the allelic state of <i>Vp</i>-1<i>B</i> and pre-harvest sprouting tolerance in red-seeded hexaploid triticale

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Author(s): Mikhail Divashuk | Nikolay Mayer | Pavel Kroupin | Valentina Rubets | Vladimir Pylnev | Nguen Tkhi Tkhu Lin | Alexandr Soloviev | Gennady Karlov

Journal: Open Journal of Genetics
ISSN 2162-4453

Volume: 02;
Issue: 01;
Start page: 51;
Date: 2012;
Original page

Keywords: Preharvest Sprouting (PHS) | Hexaploid Triticale | VIVIPAROUS-1B | Seed Color

ABSTRACT
The core collection of red-seeded winter hexaploid triticale with different pre-harvest sprouting (PHS) resistance has been evaluated for the allelic structure of the gene VIVIPAROUS-1B (Vp-1B) with STS molecular marker. The discovered structure of the collection was as follows: 50.0% and 41.7% of the collection carries Vp-1 and Vp-1Bc alleles, respectively, while 8,3% possesses both of them. As a result of the seed color estimation, the collection has been divided into two groups: with dark red seeds and light red seeds. The allele Vp-1Bc has appeared to be associated with PHS resistance while Vp-1Ba with PHS susceptibility in the triticale accessions with light red seeds only. The influence of the seed color and allelic state of Vp-1B on PHS resistance in triticale is discussed.

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