Characterization of Quality ofParentalLines for Breeding High QualityTwo-Line Hybrid Rice

Received: 06-12-2014

Accepted: 15-08-2014

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Issue: Vol. 12 No. 5 (2014)

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NÔNG HỌC

How to Cite:

Cuong, T., Trung, N., Trang, N., Dai, N., Quang, T., & Cuong, P. (2024). Characterization of Quality ofParentalLines for Breeding High QualityTwo-Line Hybrid Rice. Vietnam Journal of Agricultural Sciences, 12(5), 650–655. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/149

Characterization of Quality ofParentalLines for Breeding High QualityTwo-Line Hybrid Rice

Tran Manh Cuong (*) 1 , Nguyen Quoc Trung 2 , Ngo Thi Trang 2 , Nguyen Quoc Dai 2 , Tran Van Quang 2 , Pham Van Cuong 2

  • 1 Bộ Khoa học và Công nghệ
  • 2 Khoa Nông học, Học viện Nông nghiệp Việt Nam

    • Keywords

    Amylose content, aromatic gene, TGMS

    Abstract


    In two-line hybrid rice, breeders have been focusing on improving quality of parental linesthat havehigh cooking and eating quality. Fifteen lines were evaluated on grain quality. Five lines (ST19, A3, 135s, E15S-1, E15S-2 and E15S-3) showedlow gelatinazation temperature (GT), 6 lines (Sen cu, HC1, HC2, A2, A12 and Hoa sua) have intermediate GT and 4 lines (R998, A11, HC3 and A3) have high GT. Eight lines were identified carryingaromatic fgrgene including three TGMS lines (E15S-1, E15S-2 and E15S-3), two restorer lines (HC1 and HC3) with avarage amylose content (21.5-24.7%); and 3 lines (Sen cu, HC2 and Hoa sua) with low amylose content (15.5-18.4%).

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