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Int J Genomics. 2017;2017:2413150. doi: 10.1155/2017/2413150. Epub 2017 Feb 05.

Genetic Diversity and Association Analysis for Solvent Retention Capacity in the Accessions Derived from Soft Wheat Ningmai 9.

International journal of genomics

Peng Jiang, Ping-Ping Zhang, Xu Zhang, Hong-Xiang Ma

Affiliations

  1. Provincial Key Lab for Agrobiology, Jiangsu Academy of Agricultural Sciences/Jiangsu Collaborative Innovation Center for Modern Crop Production, 50 Zhongling Street, Nanjing, Jiangsu 210014, China.

PMID: 28261603 PMCID: PMC5316455 DOI: 10.1155/2017/2413150

Abstract

Solvent retention capacity (SRC) test is an effective method for quality evaluation of soft wheat. Ningmai 9 is a founder in soft wheat breeding. The SRC and genotype of Ningmai 9 and its 117 derivatives were tested. Association mapping was employed to identify the quantitative trait loci (QTL) associated with SRCs. Ningmai 9 had the allele frequency of 75.60% and 67.81% to its first- and second-generation derivatives, respectively, indicating higher contribution than theoretical expectation. Neighbor-joining cluster based on the genotyping data showed that Ningmai 9 and most of its first-generation derivatives were clustered together, whereas its second-generation derivatives were found in another group. The variation coefficients of SRCs in the derivatives ranged from 5.35% to 8.63%. A total of 29 markers on 13 chromosomes of the genome were associated with the SRCs. There were 6 markers associated with more than one SRC or detected in two years. The results suggested that QTL controlling SRCs in Ningmai 9 might be different from other varieties. Markers

Conflict of interest statement

The authors declare that they have no competing interests.

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