Development of SCAR marker linked to a major QTL for high fiber strength and its usage in molecular-marker assisted selection in upland cotton.(Genomics, Molecular Genetics & Biotechnology)

Crop Science, November, 2003 by Guo, Wangzhen; Kohel, Russell J.; Shen, Xinlian; Yu, John Z.; Zhang, Tianzhen

Cotton fiber is a basic raw material in the textile industry. All the changes in spinning technology require unique and often greater cotton fiber quality, especially strength, for processing. On the basis of genetic analysis and molecular mapping, a major quantitative trait locus (QTL) for fiber strength was identified in 7235, an Upland cotton (Gossypium hirsutum L.) germplasm line in our institute, which possesses super quality fiber properties. Eight molecular markers, two simple sequence repeat (SSRs) and six random amplified polymorphic DNA (RAPDs) markers, were linked to the QTL. The objective of this study was to develop rapid and reliable sequence characterized amplified region (SCAR) markers linked to the QTL for marker-assisted selection (MAS). Two RAPD markers,...

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