Association mapping of several nut characters in walnut  Juglans regia L.

Erdal ORMAN; Duygu ATEŞ; Esin ÖZKURU; Serra HEPAKSOY; Salih KAFKAS; Muhammed Bahattin TANYOLAÇ

doi:https://doi.org/10.3906/tar-1909-35

Article Details

Association mapping of several nut characters in walnut Juglans regia L.

Authors:

Erdal ORMAN | Duygu ATEŞ | Esin ÖZKURU | Serra HEPAKSOY | Salih KAFKAS | Muhammed Bahattin TANYOLAÇ

Publisher:

TUBITAK

Journal:

Turkish Journal of Agriculture and Forestry 2020 Vol.44 Issue 2, pp.208-227

Document Type:

Article

Publication Date:

2/2020

Document Language:

English

Document ID (Org No.):

2000806095

Frequency:

Bimonthly

eISSN:

1303-6173

pISSN:

1300-011X

DOI:

https://doi.org/10.3906/tar-1909-35

Abstract:

 

In the current study, significant variations were identified for seven fruit traits of the walnut accessions. The highest correlations  were detected between nut height and nut width, and between nut weight and kernel weight. Most traits had a continuous normal  binominal distribution. A total of 16,774 single-nucleotide polymorphism  SNP  markers based on diversity arrays technology were  generated and after filtering the missing data, the remaining 13,611 SNP data were used for genotyping. STRUCTURE  v.2.2  analysis  revealed two possible scenarios  K = 3 and K = 5  according to the results of ΔK computation. While K = 3 indicated that walnut  cultivars were clustered into three different groups, K = 5 revealed five different groups. Results of the dendrogram tree analysis were  supported by the results presented in the STRUCTURE analysis. A total of 98 association signals were detected with FDR =< 0.05 from  MLM  K  using BLUP predictors for the seven agronomic traits. Out of these 98 associations, seven SNPs were associated with nut  weight, 26 SNPs with nut length, 15 SNPs with nut height, 18 SNPs with nut width, 18 SNPs with shell thickness, 12 SNPs with kernel  weight, and 2 SNPs with kernel ratio.

Article Details

Association mapping of several nut characters in walnut Juglans regia L.

Authors: Erdal ORMAN | Duygu ATEŞ | Esin ÖZKURU | Serra HEPAKSOY | Salih KAFKAS | Muhammed Bahattin TANYOLAÇ

Publisher: TUBITAK

Journal: Turkish Journal of Agriculture and Forestry 2020 Vol.44 Issue 2, pp.208-227

Document Type: Article

Publication Date: 2/2020

Document Language: English

Document ID (Org No.): 2000806095

Frequency: Bimonthly

eISSN: 1303-6173

pISSN: 1300-011X

DOI: https://doi.org/10.3906/tar-1909-35

Issues

Authors:

Erdal ORMAN | Duygu ATEŞ | Esin ÖZKURU | Serra HEPAKSOY | Salih KAFKAS | Muhammed Bahattin TANYOLAÇ

Publisher:

TUBITAK

Journal:

Turkish Journal of Agriculture and Forestry 2020 Vol.44 Issue 2, pp.208-227

Document Type:

Article

Publication Date:

2/2020

Document Language:

English

Document ID (Org No.):

2000806095

Frequency:

Bimonthly

eISSN:

1303-6173

pISSN:

1300-011X

DOI:

https://doi.org/10.3906/tar-1909-35