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| Initially Applying Molecular Breeding to Improve Soybean Rust Resistance in Vietnamese Elite Soybean (Author: Tran Dang Khanh, Truong Quoc Anh, Bui Chi Buu and Tran Dang Xuan) |
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Soybean production in Vietnam has recently been threatened by the widespread dissemination of soybean rust (SBR) caused by the fungus Phakopsora pachyrhizi. Application of molecular breeding is considered as a feasible method to improve soybean rust resistance and minimize the adverse effects from overuse fungicides in this country |
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ABSTRACT Soybean production in Vietnam has recently been threatened by the widespread dissemination of soybean rust (SBR) caused by the fungus Phakopsora pachyrhizi. Application of molecular breeding is considered as a feasible method to improve soybean rust resistance and minimize the adverse effects from overuse fungicides in this country. In this study, we have successfully applied molecular markers in a backcross breeding program to introgress the Rpp5 gene of SBR resistance into HL203, an elite Vietnamese soybean variety, from two donor lines of DT2000 and Stuart 99084B-28. The plants in BC4F1 generation had maximum contribution from the recurrent parents and retained SBR resistance gene. Keywords: Rust resistant gene; Soybean; Marker assisted selection; Molecular marker (1)Department of Molecular Biology, Agricultural Genetics Institute, Tuliem, Hanoi, Vietnam; (2)Institute of Agricultural Science for Southern Vietnam; (3)Graduate School for International Development and Cooperation, Hiroshima University, Japan Email: tdxuan@hiroshima-u.ac.jp, Received Month Day, Year (2012).
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