Validation of Bread Wheat KASP Markers in Durum Wheat Lines in Kazakhstan
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Published:2019-10-01
Issue:5
Volume:73
Page:462-465
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ISSN:1407-009X
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Container-title:Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.
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language:en
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Short-container-title:
Author:
Anuarbek Shynar12, Abugalieva Saule12, Turuspekov Yerlan12
Affiliation:
1. Al-Farabi Kazakh National University , 71 Av. al-Farabi, 050040 , Almaty , Kazakhstan 2. Institute of Plant Biology and Biotechnology , 45 Timiryazev Str., 050040 , Almaty , Kazakhstan
Abstract
Abstract
Development of efficient DNA markers plays an important role in modern breeding projects of many crops, including cultivated hexaploid bread wheat (BW) and tetraploid durum wheat (DW). Findings of genome-wide association studies on major polyploid crops, such as BW, may also help in molecular breeding studies in relative cultivated species with a similar genetic background, including DW. Therefore, the validation of identified quantitative trait loci or marker-trait associations is an important preliminary step in marker-assisted selection (MAS) oriented projects. In this study, thirty-two SNP (single nucleotide polymorphism) markers of six agronomic traits identified in BW, harvested in Kazakhstan, were converted to KASP (Kompetitive Allele-Specific PCR) as-says. Generated 32 KASP assays were used in the analysis of 29 DW accessions from Kazakhstan. Firstly, the group of DW accessions was tested using replicated and randomised one-metre blocks in field conditions of southeast Kazakhstan and evaluated for main agronomic traits. The analysis showed that 14 KASP assays were polymorphic in the scoring of 29 DW accessions. The t-test suggested that the segregation in eight KASP assays was significantly associated with five agronomic traits. The study confirms robustness of KASP assays in MAS of DW breeding projects for the improvement of yield potential.
Publisher
Walter de Gruyter GmbH
Subject
Multidisciplinary
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