Genetic diversity in Swedish and Finnish heirloom apple cultivars revealed with SSR markers

被引：34

作者：

Garkava-Gustavsson, Larisa ^{[1
,2
]}

Mujaju, Claid ^{[2
,3
]}

Sehic, Jasna ^{[2
]}

Zborowska, Anna ^{[1
]}

Backes, Gunter M. ^{[4
]}

Hietaranta, Tarja ^{[5
]}

Antonius, Kristiina ^{[6
]}

机构：

[1] Swedish Univ Agr Sci, Dept Plant Breeding, S-23053 Alnarp, Sweden

[2] Swedish Univ Agr Sci, Dept Plant Breeding, S-29194 Kristianstad, Sweden

[3] Seed Serv, Dept Res & Specialist Serv, Harare, Zimbabwe

[4] Univ Kassel, Fac Organ Agr Sci, Dept Organ Plant Breeding & Agrobiodivers, D-37213 Witzenhausen, Germany

[5] MTT Agrifood Res Finland, Piikkio 21500, Finland

[6] MTT Agrifood Res Finland, Jokioinen 31600, Finland

来源：

SCIENTIA HORTICULTURAE | 2013年 / 162卷

关键词：

Apple; Genetic diversity; Genetic structure; Genetic resources; Simple Sequence Repeats (SSR); Malus x domestica; X DOMESTICA BORKH; MOLECULAR CHARACTERIZATION; COLLECTION; SOFTWARE;

D O I：

10.1016/j.scienta.2013.07.040

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

A set of 85 heirloom apple cultivars aimed for long-term preservation in two germplasm collections in Sweden and Finland was evaluated with 8 SSR primer pairs to evaluate genetic diversity and genetic relatedness. An additional set of 16 European cultivars was included for comparison. The eight SSR primer pairs amplified 9 loci and 105 alleles. Genetic analyses performed by MDS indicated some differentiation between Swedish and Finnish cultivars, with European cultivars intermixed with the Swedish. The existence of three groups was, however, indicated by a Bayesian model-based clustering. One of the groups was clearly dominated by Swedish cultivars and another by Finnish. The third group included almost equal proportions of representatives from all three areas. The obtained results confirmed the genetic distinctness of Finnish apple cultivars, which can be explained by climate adaptation and admixture with a Russian gene pool. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：43 / 48

页数：6

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