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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)
Thứ sáu, 02-11-2012 | 14:02:14

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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