Identify the Effectiveness of Some Soybean Rust Resistant GenesonVietnam and Their Linkage Molecular Markers

Received: 10-03-2016

Accepted: 15-08-2016

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Issue: Vol. 14 No. 8 (2016)

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NÔNG HỌC

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Khoi, N., Tu, D., Tuan, N., Lam, N., Chung, N., Hoan, D., … Ton, P. (2024). Identify the Effectiveness of Some Soybean Rust Resistant GenesonVietnam and Their Linkage Molecular Markers. Vietnam Journal of Agricultural Sciences, 14(8), 1155–1161. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1442

Identify the Effectiveness of Some Soybean Rust Resistant GenesonVietnam and Their Linkage Molecular Markers

Nguyen Van Khoi (*) 1, 2 , Duong Xuan Tu 1 , Nguyen Thanh Tuan 3 , Nguyen Van Lam 1 , Nguyen Huy Chung 4 , Dinh Xuan Hoan 4 , Le Thi Thanh 1 , Nguyen Thi Thu 1 , Phan Huu Ton 3

  • 1 Viện Cây lương thực và Cây thực phẩm
  • 2 Nghiên cứu sinh, Khoa Nông học, Học Viện Nông nghiệp Việt Nam
  • 3 Khoa Công nghệ sinh học, Học Viện Nông nghiệp Việt Nam
  • 4 Viện Bảo vệ thực vật

    • Keywords

    Molecular markers, rust resistant genes, soybean

    Abstract


    Five genes Rpp1, Rpp2, Rpp3, Rpp4 & Rpp5 conferringresistancetoPhakopsora pachyrhiziSydow in soybean were identtified. Resistance evaluation of the soybean linescarryingresistant genes shows that genes Rpp2and Rpp4are highlyresistanttosoybean rust in Vietnam while Rpp5ishigh resistanttothe isolatesof rustpathogencollected from Southvietnam. The selection of molecular markers linkedto the above-mentionedresistance genes based on the analysisofcrossing populationsbetween resistant and susceptible cultivars shows that the markers Satt620, Satt288 and Sat_275 are closely linkedto Rpp2, Rpp4and Rpp5with the genetic distance of3.33cM, 2.50cM and4.16cM,respectively. Thesemarkers may beused to identify and select resistancegenes ingermplasm andresistant individuals in segregating populations.

    References

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