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Home / Journal of Plant Genetic Resources, Volume 13, Number 5

Open Access Transferring of the 2Ai-2 Chromosome into Wheat ph1b Genetic Background by Using Related Molecular Markers

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Incident of homoeologous chromosome pairing and exchange could occurred in hexaploid wheat under ph1b genetic background and producing compensable and genetic stable recombinants. So transfering the alien chromosome into a ph1b background is the basis of generating the recombinants on the target chromosomes. However, it is difficult to identify a ph1b genotype rely on its phenotype. In present study, the target plants with ph1b containing the alien chromosome 2Ai-2 were selected effectively by using molecular markers Mads (on the deletion region of ph1b), P4 and P68 (on the alien chromosome) when screening the F2 population of CSph1b crossing with N420a wheat-Thinopyrum intermedium 2B2Ai-2substitution line, and their derive F5 lines.

Keywords: alien chromosome; homoeologous chromosome; molecular marker; ph1b; wheat

Document Type: Research Article

Publication date: 15 January 2013

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  • Journal of plant genetic resources is devoted to reporting new and original experimental and theoretical basic research of interest to genetic resources, gene mining, brief information,and germplasm innovation. Manuscripts that are essentially reporting data, applications of data, or reviews of the literature are not suitable for publication in Journal of plant genetic resources.

    Journal of plant genetic resources was founded in 2000 and is sponsored by the institute of crop sciences of chinese academy of agriculture sciences and China association of agricultural science societies. Since 2003, Journal of plant genetic resources has been indexed in China scientific journal database (CSJD), Chinese core journals (selection) database,Chinese science citation database (CSCD), and so on.
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