Identification of the Vrn genes in barley (Hordeum vulgare L.) cultivars from the Polish register

Michał Nowak

michal.nowak@up.lubli.pl
Instytut Genetyki, Hodowli i Biotechnologii Roślin, Uniwersytet Przyrodniczy w Lublinie (Poland)

Abstract

Length of the barley vernalization period is determined by 3 loci: VRN-H1, VRN-H2 and VRN-H3. The dominant Vrn-H1 and Vrn-H3 alleles are characteristic for spring growth habit. In winter cultivars the dominant Vrn-H2 and recessive vrn-H1 and vrn-H3 alleles are present. In this paper the Vrn-H1 and Vrn-H2 genes were identified by means of STS-PCR markers in 41 spring and 11 winter barley cultivars from the Polish register. The primer pair: HvBM5A-intron1-F3 and Intr1/H/R3 was used for identification of the Vrn-H1 gene, and the pair: VRN-Ha-F and VRN-Ha-R for the Vrn-H2 gene. The recessive vrn-H1 allele was observed in all examined winter barley cultivars and in none of examined spring cultivars. The presence of dominant Vrn-H2 allele was stated in all examined winter cultivars and in 10 spring cultivars: Boss, Bryl, Edgar, Prosa, Rabel, Rastik, Rataj, Refren, Rodos and Scarlett. In the spring cultivars Scarlett and Stratus non-specific amplification products were observed. Their presence could be attributed to occurrence of new allelic forms of the Vrn-H2 gene or from a rearrangement in genomes of these cultivars.


Keywords:

STS-PCR, barley, vernalization, Vrn genes

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Published
2009-06-30

Cited by

Nowak, M. (2009) “Identification of the Vrn genes in barley (Hordeum vulgare L.) cultivars from the Polish register”, Bulletin of Plant Breeding and Acclimatization Institute, (252), pp. 179–185. doi: 10.37317/biul-2009-0066.

Authors

Michał Nowak 
michal.nowak@up.lubli.pl
Instytut Genetyki, Hodowli i Biotechnologii Roślin, Uniwersytet Przyrodniczy w Lublinie Poland

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