Behaviour of two SCAR markers for seedlessness within Central European varieties of grapevine

Authors

  • A. Korpás
  • M. Baránek
  • M. Pidra
  • J. Hradilík

DOI:

https://doi.org/10.5073/vitis.2009.48.33-42

Keywords:

MAS, SCC8, SCF27, seedlessness, grapevine, 'Chaouch', female varieties

Abstract

Two working sequence-characterised amplified region markers, SCC8 and SCF27, linked to the seedless phenotype and particularly to the major locus involved in this trait, sdI, were identified in grapevine. Several seeded varieties also showed the alleles for seedlessness at these marker loci. Based on comparison of allelic distribution of two markers in a set of several seedless and seeded varieties, as well as three segregating progenies, we provide evidence that 'Chaouch rose', an ancient seeded variety of unknown origin, has potential to promote seedlessness and most probably belongs to the group of seeded varieties that harbour the sdI+ allele. We conclude that using both SCC8 and SCF27 and, in special cases, even their null alleles can help to elucidate the seedlessness of individuals that lack the amplicon accountable for seedlessness at one marker locus. However, the presence of null alleles and the genetic distance of markers from the sdI locus involved in seedlessness may cause complications.

 

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Published

2015-04-08

Issue

Vol. 48 No. 1 (2009): Vitis

Section

Article

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